442113515264 has 36 divisors (see below), whose sum is σ = 890596411320. Its totient is φ = 219028700160.

The previous prime is 442113515213. The next prime is 442113515279. The reversal of 442113515264 is 462515311244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7894142 + ... + 7949949.

Almost surely, 2^442113515264 is an apocalyptic number.

It is an amenable number.

442113515264 is an abundant number, since it is smaller than the sum of its proper divisors (448482896056).

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

442113515264 is a wasteful number, since it uses less digits than its factorization.

442113515264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15844216 (or 15844202 counting only the distinct ones).

The product of its digits is 115200, while the sum is 38.

The spelling of 442113515264 in words is "four hundred forty-two billion, one hundred thirteen million, five hundred fifteen thousand, two hundred sixty-four".