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42474576256 = 277795471097
BaseRepresentation
bin100111100011101011…
…101001100110000000
311001122010102000221221
4213203223221212000
51143441442420011
631302413324424
73032362640560
oct474353514600
9131563360857
1042474576256
1117016877892
128294796714
13400b94c978
1420ad0c0da0
151188d8e971
hex9e3ae9980

42474576256 has 128 divisors (see below), whose sum is σ = 98198092800. Its totient is φ = 17923756032.

The previous prime is 42474576253. The next prime is 42474576301. The reversal of 42474576256 is 65267547424.

It is a tau number, because it is divible by the number of its divisors (128).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42474576253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38718300 + ... + 38719396.

It is an arithmetic number, because the mean of its divisors is an integer number (767172600).

Almost surely, 242474576256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42474576256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49099046400).

42474576256 is an abundant number, since it is smaller than the sum of its proper divisors (55723516544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42474576256 is a wasteful number, since it uses less digits than its factorization.

42474576256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1732 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 52.

The spelling of 42474576256 in words is "forty-two billion, four hundred seventy-four million, five hundred seventy-six thousand, two hundred fifty-six".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 79 112 128 158 224 316 448 547 553 632 896 1094 1097 1106 1264 2188 2194 2212 2528 3829 4376 4388 4424 5056 7658 7679 8752 8776 8848 10112 15316 15358 17504 17552 17696 30632 30716 35008 35104 35392 43213 61264 61432 70016 70208 70784 86426 86663 122528 122864 140416 172852 173326 245056 245728 302491 345704 346652 490112 491456 600059 604982 606641 691408 693304 982912 1200118 1209964 1213282 1382816 1386608 2400236 2419928 2426564 2765632 2773216 4200413 4800472 4839856 4853128 5531264 5546432 8400826 9600944 9679712 9706256 11092864 16801652 19201888 19359424 19412512 33603304 38403776 38718848 38825024 47404661 67206608 76807552 77650048 94809322 134413216 189618644 268826432 331832627 379237288 537652864 663665254 758474576 1327330508 1516949152 2654661016 3033898304 5309322032 6067796608 10618644064 21237288128 42474576256