90242555292 has 36 divisors (see below), whose sum is σ = 230131836480. Its totient is φ = 29814648192.

The previous prime is 90242555261. The next prime is 90242555309. The reversal of 90242555292 is 29255524209.

90242555292 is a `hidden beast` number, since 9 + 0 + 2 + 4 + 2 + 5 + 552 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (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, 11087692 + ... + 11095827.

Almost surely, 2^90242555292 is an apocalyptic number.

It is an amenable number.

90242555292 is an abundant number, since it is smaller than the sum of its proper divisors (139889281188).

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

90242555292 is a wasteful number, since it uses less digits than its factorization.

90242555292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22183642 (or 22183637 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 90242555292 in words is "ninety billion, two hundred forty-two million, five hundred fifty-five thousand, two hundred ninety-two".