90559394032 has 40 divisors (see below), whose sum is σ = 177099379200. Its totient is φ = 44857923840.

The previous prime is 90559394021. The next prime is 90559394041. The reversal of 90559394032 is 23049395509.

It is a happy number.

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, 863482 + ... + 962662.

It is an arithmetic number, because the mean of its divisors is an integer number (4427484480).

Almost surely, 2^90559394032 is an apocalyptic number.

It is an amenable number.

90559394032 is a deficient number, since it is larger than the sum of its proper divisors (86539985168).

90559394032 is a wasteful number, since it uses less digits than its factorization.

90559394032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99721 (or 99715 counting only the distinct ones).

The product of its (nonzero) digits is 1312200, while the sum is 49.

The spelling of 90559394032 in words is "ninety billion, five hundred fifty-nine million, three hundred ninety-four thousand, thirty-two".