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42004242240 = 263591148029
BaseRepresentation
bin100111000111101001…
…011101111101000000
311000102100101120222120
4213013221131331000
51142011041222430
631144012404240
73014622111432
oct470751357500
9130370346876
1042004242240
11168a5332994
128183176680
133c6538380c
14206684c652
15115c936610
hex9c7a5df40

42004242240 has 112 divisors (see below), whose sum is σ = 133512641280. Its totient is φ = 11188602880.

The previous prime is 42004242221. The next prime is 42004242281. The reversal of 42004242240 is 4224240024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42004242240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 850546 + ... + 898574.

Almost surely, 242004242240 is an apocalyptic number.

42004242240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42004242240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66756320640).

42004242240 is an abundant number, since it is smaller than the sum of its proper divisors (91508399040).

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

42004242240 is a wasteful number, since it uses less digits than its factorization.

42004242240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48960 (or 48950 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 42004242240 its reverse (4224240024), we get a palindrome (46228482264).

The spelling of 42004242240 in words is "forty-two billion, four million, two hundred forty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 160 192 240 320 480 911 960 1822 2733 3644 4555 5466 7288 9110 10932 13665 14576 18220 21864 27330 29152 36440 43728 48029 54660 58304 72880 87456 96058 109320 144087 145760 174912 192116 218640 240145 288174 291520 384232 437280 480290 576348 720435 768464 874560 960580 1152696 1440870 1536928 1921160 2305392 2881740 3073856 3842320 4610784 5763480 7684640 9221568 11526960 15369280 23053920 43754419 46107840 87508838 131263257 175017676 218772095 262526514 350035352 437544190 525053028 656316285 700070704 875088380 1050106056 1312632570 1400141408 1750176760 2100212112 2625265140 2800282816 3500353520 4200424224 5250530280 7000707040 8400848448 10501060560 14001414080 21002121120 42004242240