90444502 has 16 divisors (see below), whose sum is σ = 139713840. Its totient is φ = 43879968.

The previous prime is 90444491. The next prime is 90444511. The reversal of 90444502 is 20544409.

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, 29548 + ... + 32464.

It is an arithmetic number, because the mean of its divisors is an integer number (8732115).

Almost surely, 2^90444502 is an apocalyptic number.

90444502 is a deficient number, since it is larger than the sum of its proper divisors (49269338).

90444502 is a wasteful number, since it uses less digits than its factorization.

90444502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 90444502 is about 9510.2314377727. The cubic root of 90444502 is about 448.8770386984.

The spelling of 90444502 in words is "ninety million, four hundred forty-four thousand, five hundred two".