90102372672402 has 24 divisors (see below), whose sum is σ = 195252653304540. Its totient is φ = 30029378709120.

The previous prime is 90102372672343. The next prime is 90102372672419. The reversal of 90102372672402 is 20427627320109.

90102372672402 is a `hidden beast` number, since 9 + 0 + 1 + 0 + 237 + 2 + 6 + 7 + 2 + 402 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 87714819253161 + 2387553419241 = 9365619^2 + 1545171^2 .

It is a super-3 number, since 3×90102372672402³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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, 395342499 + ... + 395570342.

Almost surely, 2^{90102372672402} is an apocalyptic number.

90102372672402 is an abundant number, since it is smaller than the sum of its proper divisors (105150280632138).

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

90102372672402 is a wasteful number, since it uses less digits than its factorization.

90102372672402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790919178 (or 790919175 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 45.

The spelling of 90102372672402 in words is "ninety trillion, one hundred two billion, three hundred seventy-two million, six hundred seventy-two thousand, four hundred two".