90202424472 has 128 divisors (see below), whose sum is σ = 253662494400. Its totient is φ = 29697325056.

The previous prime is 90202424407. The next prime is 90202424483. The reversal of 90202424472 is 27442420209.

90202424472 is a `hidden beast` number, since 9 + 0 + 202 + 4 + 2 + 447 + 2 = 666.

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

It is a congruent number.

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, 7145238 + ... + 7157850.

Almost surely, 2^90202424472 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 90202424472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126831247200).

90202424472 is an abundant number, since it is smaller than the sum of its proper divisors (163460069928).

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

90202424472 is a wasteful number, since it uses less digits than its factorization.

90202424472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13034 (or 13024 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The spelling of 90202424472 in words is "ninety billion, two hundred two million, four hundred twenty-four thousand, four hundred seventy-two".