90032231332 has 12 divisors (see below), whose sum is σ = 157563611100. Its totient is φ = 45014056736.

The previous prime is 90032231273. The next prime is 90032231347. The reversal of 90032231332 is 23313223009.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22984379236 + 67047852096 = 151606^2 + 258936^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 90032231332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 414163 + ... + 592954.

It is an arithmetic number, because the mean of its divisors is an integer number (13130300925).

Almost surely, 2^90032231332 is an apocalyptic number.

It is an amenable number.

90032231332 is a deficient number, since it is larger than the sum of its proper divisors (67531379768).

90032231332 is a wasteful number, since it uses less digits than its factorization.

90032231332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029470 (or 1029468 counting only the distinct ones).

The product of its (nonzero) digits is 5832, while the sum is 28.

The spelling of 90032231332 in words is "ninety billion, thirty-two million, two hundred thirty-one thousand, three hundred thirty-two".