442407638088 has 48 divisors (see below), whose sum is σ = 1290355613820. Its totient is φ = 136125426816.

The previous prime is 442407638069. The next prime is 442407638093. The reversal of 442407638088 is 880836704244.

It is a happy number.

442407638088 is a `hidden beast` number, since 4 + 424 + 0 + 7 + 63 + 80 + 88 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 442014884964 + 392753124 = 664842^2 + 19818^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 236327931 + ... + 236329802.

Almost surely, 2^442407638088 is an apocalyptic number.

It is an amenable number.

442407638088 is an abundant number, since it is smaller than the sum of its proper divisors (847947975732).

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

442407638088 is a wasteful number, since it uses less digits than its factorization.

442407638088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 472657758 (or 472657751 counting only the distinct ones).

The product of its (nonzero) digits is 8257536, while the sum is 54.

The spelling of 442407638088 in words is "four hundred forty-two billion, four hundred seven million, six hundred thirty-eight thousand, eighty-eight".