90923481600 has 720 divisors, whose sum is σ = 362672912448. Its totient is φ = 19667681280.

The previous prime is 90923481599. The next prime is 90923481631. The reversal of 90923481600 is 618432909.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 97036332 + ... + 97037268.

Almost surely, 2^90923481600 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90923481600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (181336456224).

90923481600 is an abundant number, since it is smaller than the sum of its proper divisors (271749430848).

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

90923481600 is a wasteful number, since it uses less digits than its factorization.

90923481600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1013 (or 973 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 90923481600 in words is "ninety billion, nine hundred twenty-three million, four hundred eighty-one thousand, six hundred".