90630045432 has 48 divisors (see below), whose sum is σ = 245614122000. Its totient is φ = 30190599936.

The previous prime is 90630045427. The next prime is 90630045481. The reversal of 90630045432 is 23454003609.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

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, 291457 + ... + 515952.

It is an arithmetic number, because the mean of its divisors is an integer number (5116960875).

Almost surely, 2^90630045432 is an apocalyptic number.

It is an amenable number.

90630045432 is an abundant number, since it is smaller than the sum of its proper divisors (154984076568).

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

90630045432 is a wasteful number, since it uses less digits than its factorization.

90630045432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808980 (or 808973 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The spelling of 90630045432 in words is "ninety billion, six hundred thirty million, forty-five thousand, four hundred thirty-two".