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40621486374 = 23272157293351
BaseRepresentation
bin100101110101001110…
…101011000100100110
310212211222111022112100
4211311032223010212
51131143100030444
630354455232530
72635431636300
oct456516530446
9125758438470
1040621486374
1116255851a47
127a58078746
133aa4a61c91
141d74d48970
1510cb34ae69
hex9753ab126

40621486374 has 72 divisors (see below), whose sum is σ = 103035196368. Its totient is φ = 11532175200.

The previous prime is 40621486369. The next prime is 40621486379. The reversal of 40621486374 is 47368412604.

40621486374 is a `hidden beast` number, since 4 + 0 + 6 + 2 + 1 + 4 + 8 + 637 + 4 = 666.

40621486374 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40621486369) and next prime (40621486379).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40621486379) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8202 + ... + 285149.

It is an arithmetic number, because the mean of its divisors is an integer number (1431044394).

Almost surely, 240621486374 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40621486374, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51517598184).

40621486374 is an abundant number, since it is smaller than the sum of its proper divisors (62413709994).

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

40621486374 is a wasteful number, since it uses less digits than its factorization.

40621486374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293530 (or 293520 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

Adding to 40621486374 its reverse (47368412604), we get a palindrome (87989898978).

The spelling of 40621486374 in words is "forty billion, six hundred twenty-one million, four hundred eighty-six thousand, three hundred seventy-four".

Divisors: 1 2 3 6 7 9 14 18 21 42 49 63 98 126 147 157 294 314 441 471 882 942 1099 1413 2198 2826 3297 6594 7693 9891 15386 19782 23079 46158 69237 138474 293351 586702 880053 1760106 2053457 2640159 4106914 5280318 6160371 12320742 14374199 18481113 28748398 36962226 43122597 46056107 86245194 92112214 129367791 138168321 258735582 276336642 322392749 414504963 644785498 829009926 967178247 1934356494 2256749243 2901534741 4513498486 5803069482 6770247729 13540495458 20310743187 40621486374