90302182372 has 6 divisors (see below), whose sum is σ = 158028819158. Its totient is φ = 45151091184.

The previous prime is 90302182337. The next prime is 90302182387. The reversal of 90302182372 is 27328120309.

It can be written as a sum of positive squares in only one way, i.e., 73731799296 + 16570383076 = 271536^2 + 128726^2 .

It is a super-2 number, since 2×90302182372² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287772793 + ... + 11287772800.

Almost surely, 2^90302182372 is an apocalyptic number.

It is an amenable number.

90302182372 is a deficient number, since it is larger than the sum of its proper divisors (67726636786).

90302182372 is a wasteful number, since it uses less digits than its factorization.

90302182372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22575545597 (or 22575545595 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 90302182372 in words is "ninety billion, three hundred two million, one hundred eighty-two thousand, three hundred seventy-two".