442292075538 has 32 divisors (see below), whose sum is σ = 936869820480. Its totient is φ = 138721067520.

The previous prime is 442292075527. The next prime is 442292075581. The reversal of 442292075538 is 835570292244.

It is a Harshad number since it is a multiple of its sum of digits (51).

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, 198483 + ... + 961238.

It is an arithmetic number, because the mean of its divisors is an integer number (29277181890).

Almost surely, 2^442292075538 is an apocalyptic number.

442292075538 is an abundant number, since it is smaller than the sum of its proper divisors (494577744942).

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

442292075538 is a wasteful number, since it uses less digits than its factorization.

442292075538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1163482.

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 442292075538 in words is "four hundred forty-two billion, two hundred ninety-two million, seventy-five thousand, five hundred thirty-eight".