442131410655564 has 48 divisors (see below), whose sum is σ = 1179020695539456. Its totient is φ = 126322874424000.

The previous prime is 442131410655481. The next prime is 442131410655581. The reversal of 442131410655564 is 465556014131244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20221839 + ... + 35960889.

It is an arithmetic number, because the mean of its divisors is an integer number (24562931157072).

Almost surely, 2^{442131410655564} is an apocalyptic number.

It is an amenable number.

442131410655564 is an abundant number, since it is smaller than the sum of its proper divisors (736889284883892).

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

442131410655564 is a wasteful number, since it uses less digits than its factorization.

442131410655564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16073486 (or 16073484 counting only the distinct ones).

The product of its (nonzero) digits is 6912000, while the sum is 51.

The spelling of 442131410655564 in words is "four hundred forty-two trillion, one hundred thirty-one billion, four hundred ten million, six hundred fifty-five thousand, five hundred sixty-four".