42511751043984 has 120 divisors (see below), whose sum is σ = 122664817487160. Its totient is φ = 13733946261504.

The previous prime is 42511751043941. The next prime is 42511751044033. The reversal of 42511751043984 is 48934015711524.

42511751043984 is a `hidden beast` number, since 4 + 2 + 5 + 1 + 1 + 7 + 510 + 43 + 9 + 84 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 29694434547600 + 12817316496384 = 5449260^2 + 3580128^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 42511751043984.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14153919 + ... + 16892510.

It is an arithmetic number, because the mean of its divisors is an integer number (1022206812393).

Almost surely, 2^{42511751043984} is an apocalyptic number.

It is an amenable number.

42511751043984 is an abundant number, since it is smaller than the sum of its proper divisors (80153066443176).

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

42511751043984 is a wasteful number, since it uses less digits than its factorization.

42511751043984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31046737 (or 31046728 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 54.

The spelling of 42511751043984 in words is "forty-two trillion, five hundred eleven billion, seven hundred fifty-one million, forty-three thousand, nine hundred eighty-four".