442332536640156 has 72 divisors (see below), whose sum is σ = 1163808857213184. Its totient is φ = 146900104331760.

The previous prime is 442332536640139. The next prime is 442332536640193. The reversal of 442332536640156 is 651046635233244.

442332536640156 is a `hidden beast` number, since 4 + 4 + 2 + 3 + 32 + 536 + 64 + 0 + 15 + 6 = 666.

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

It is a congruent number.

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, 839357670 + ... + 839884493.

Almost surely, 2^{442332536640156} is an apocalyptic number.

It is an amenable number.

442332536640156 is an abundant number, since it is smaller than the sum of its proper divisors (721476320573028).

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

442332536640156 is a wasteful number, since it uses less digits than its factorization.

442332536640156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679242453 (or 1679242439 counting only the distinct ones).

The product of its (nonzero) digits is 37324800, while the sum is 54.

The spelling of 442332536640156 in words is "four hundred forty-two trillion, three hundred thirty-two billion, five hundred thirty-six million, six hundred forty thousand, one hundred fifty-six".