442663240464 has 40 divisors (see below), whose sum is σ = 1270607450720. Its totient is φ = 147554413344.

The previous prime is 442663240457. The next prime is 442663240471. The reversal of 442663240464 is 464042366244.

442663240464 is a `hidden beast` number, since 4 + 4 + 2 + 6 + 632 + 4 + 0 + 4 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (442663240457) and next prime (442663240471).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512341282 + ... + 512342145.

It is an arithmetic number, because the mean of its divisors is an integer number (31765186268).

Almost surely, 2^442663240464 is an apocalyptic number.

It is an amenable number.

442663240464 is an abundant number, since it is smaller than the sum of its proper divisors (827944210256).

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

442663240464 is a wasteful number, since it uses less digits than its factorization.

442663240464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024683444 (or 1024683432 counting only the distinct ones).

The product of its (nonzero) digits is 2654208, while the sum is 45.

The spelling of 442663240464 in words is "four hundred forty-two billion, six hundred sixty-three million, two hundred forty thousand, four hundred sixty-four".