42527512656 has 120 divisors (see below), whose sum is σ = 119582725184. Its totient is φ = 14108774400.

The previous prime is 42527512649. The next prime is 42527512667. The reversal of 42527512656 is 65621572524.

42527512656 is a `hidden beast` number, since 4 + 2 + 527 + 51 + 26 + 56 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40463331 + ... + 40464381.

Almost surely, 2^42527512656 is an apocalyptic number.

It is an amenable number.

42527512656 is an abundant number, since it is smaller than the sum of its proper divisors (77055212528).

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

42527512656 is a wasteful number, since it uses less digits than its factorization.

42527512656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2120 counting only the distinct ones).

The product of its digits is 1008000, while the sum is 45.

The spelling of 42527512656 in words is "forty-two billion, five hundred twenty-seven million, five hundred twelve thousand, six hundred fifty-six".