90934099200 has 648 divisors, whose sum is σ = 385361599168. Its totient is φ = 20782448640.

The previous prime is 90934099189. The next prime is 90934099261. The reversal of 90934099200 is 299043909.

It is a tau number, because it is divible by the number of its divisors (648).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 10882224 + ... + 10890576.

Almost surely, 2^90934099200 is an apocalyptic number.

90934099200 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90934099200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (192680799584).

90934099200 is an abundant number, since it is smaller than the sum of its proper divisors (294427499968).

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

90934099200 is an equidigital number, since it uses as much as digits as its factorization.

90934099200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8401 (or 8370 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The spelling of 90934099200 in words is "ninety billion, nine hundred thirty-four million, ninety-nine thousand, two hundred".