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42884795520 = 2738571459
BaseRepresentation
bin100111111100001000…
…100000110010000000
311002200201022100000000
4213330020200302000
51200312001424040
631411230000000
73045503514240
oct477410406200
9132621270000
1042884795520
1117207392676
12838a046000
13407592b868
14210b785b20
1511aedc1130
hex9fc220c80

42884795520 has 576 divisors, whose sum is σ = 175862606400. Its totient is φ = 9795520512.

The previous prime is 42884795507. The next prime is 42884795539. The reversal of 42884795520 is 2559748824.

42884795520 is a `hidden beast` number, since 4 + 2 + 8 + 84 + 7 + 9 + 552 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (576).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29392551 + ... + 29394009.

It is an arithmetic number, because the mean of its divisors is an integer number (305317025).

Almost surely, 242884795520 is an apocalyptic number.

42884795520 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 42884795520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87931303200).

42884795520 is an abundant number, since it is smaller than the sum of its proper divisors (132977810880).

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

42884795520 is an frugal number, since it uses more digits than its factorization.

42884795520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1509 (or 1476 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 54.

The spelling of 42884795520 in words is "forty-two billion, eight hundred eighty-four million, seven hundred ninety-five thousand, five hundred twenty".