85522442456 has 32 divisors (see below), whose sum is σ = 176664289680. Its totient is φ = 38488944000.

The previous prime is 85522442413. The next prime is 85522442483. The reversal of 85522442456 is 65424422558.

It is a self number, because there is not a number n which added to its sum of digits gives 85522442456.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4802231 + ... + 4820006.

Almost surely, 2^85522442456 is an apocalyptic number.

It is an amenable number.

85522442456 is an abundant number, since it is smaller than the sum of its proper divisors (91141847224).

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

85522442456 is a wasteful number, since it uses less digits than its factorization.

85522442456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622355 (or 9622351 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 47.

The spelling of 85522442456 in words is "eighty-five billion, five hundred twenty-two million, four hundred forty-two thousand, four hundred fifty-six".