90232651404 has 192 divisors, whose sum is σ = 283487769600. Its totient is φ = 24245070336.

The previous prime is 90232651393. The next prime is 90232651417. The reversal of 90232651404 is 40415623209.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1944942 + ... + 1990794.

It is an arithmetic number, because the mean of its divisors is an integer number (1476498800).

Almost surely, 2^90232651404 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 90232651404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141743884800).

90232651404 is an abundant number, since it is smaller than the sum of its proper divisors (193255118196).

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

90232651404 is a wasteful number, since it uses less digits than its factorization.

90232651404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46029 (or 46021 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 90232651404 in words is "ninety billion, two hundred thirty-two million, six hundred fifty-one thousand, four hundred four".