90269543232 has 112 divisors (see below), whose sum is σ = 289500868800. Its totient is φ = 27354401280.

The previous prime is 90269543173. The next prime is 90269543239. The reversal of 90269543232 is 23234596209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90269543239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2355507 + ... + 2393522.

Almost surely, 2^90269543232 is an apocalyptic number.

It is an amenable number.

90269543232 is an abundant number, since it is smaller than the sum of its proper divisors (199231325568).

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

90269543232 is a wasteful number, since it uses less digits than its factorization.

90269543232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4749061 (or 4749045 counting only the distinct ones).

The product of its (nonzero) digits is 699840, while the sum is 45.

The spelling of 90269543232 in words is "ninety billion, two hundred sixty-nine million, five hundred forty-three thousand, two hundred thirty-two".