90380933250 has 64 divisors (see below), whose sum is σ = 225779059584. Its totient is φ = 24081470400.

The previous prime is 90380933221. The next prime is 90380933297. The reversal of 90380933250 is 5233908309.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 860077 + ... + 959423.

It is an arithmetic number, because the mean of its divisors is an integer number (3527797806).

Almost surely, 2^90380933250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90380933250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112889529792).

90380933250 is an abundant number, since it is smaller than the sum of its proper divisors (135398126334).

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

90380933250 is a wasteful number, since it uses less digits than its factorization.

90380933250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100580 (or 100570 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The spelling of 90380933250 in words is "ninety billion, three hundred eighty million, nine hundred thirty-three thousand, two hundred fifty".