42016355624 has 16 divisors (see below), whose sum is σ = 78791399700. Its totient is φ = 21005315712.

The previous prime is 42016355617. The next prime is 42016355651. The reversal of 42016355624 is 42655361024.

It can be written as a sum of positive squares in 2 ways, for example, as 39713315524 + 2303040100 = 199282^2 + 47990^2 .

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 3 ways as a sum of consecutive naturals, for example, 294719 + ... + 413390.

Almost surely, 2^42016355624 is an apocalyptic number.

It is an amenable number.

42016355624 is a deficient number, since it is larger than the sum of its proper divisors (36775044076).

42016355624 is a wasteful number, since it uses less digits than its factorization.

42016355624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 715532 (or 715528 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 38.

The spelling of 42016355624 in words is "forty-two billion, sixteen million, three hundred fifty-five thousand, six hundred twenty-four".