42851996758656 has 96 divisors (see below), whose sum is σ = 123666448932000. Its totient is φ = 14242834524672.

The previous prime is 42851996758639. The next prime is 42851996758771. The reversal of 42851996758656 is 65685769915824.

42851996758656 is a `hidden beast` number, since 4 + 2 + 8 + 519 + 96 + 7 + 5 + 8 + 6 + 5 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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 11 ways as a sum of consecutive naturals, for example, 53199556 + ... + 53999043.

It is an arithmetic number, because the mean of its divisors is an integer number (1288192176375).

Almost surely, 2^{42851996758656} is an apocalyptic number.

It is an amenable number.

42851996758656 is an abundant number, since it is smaller than the sum of its proper divisors (80814452173344).

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

42851996758656 is a wasteful number, since it uses less digits than its factorization.

42851996758656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107198966 (or 107198951 counting only the distinct ones).

The product of its digits is 7838208000, while the sum is 81.

The spelling of 42851996758656 in words is "forty-two trillion, eight hundred fifty-one billion, nine hundred ninety-six million, seven hundred fifty-eight thousand, six hundred fifty-six".