90538003432 has 16 divisors (see below), whose sum is σ = 169831121760. Its totient is φ = 45249704304.

The previous prime is 90538003403. The next prime is 90538003433. The reversal of 90538003432 is 23430083509.

It is a junction number, because it is equal to n+sod(n) for n = 90538003391 and 90538003400.

It is not an unprimeable number, because it can be changed into a prime (90538003433) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392228 + ... + 2429779.

It is an arithmetic number, because the mean of its divisors is an integer number (10614445110).

Almost surely, 2^90538003432 is an apocalyptic number.

It is an amenable number.

90538003432 is a deficient number, since it is larger than the sum of its proper divisors (79293118328).

90538003432 is a wasteful number, since it uses less digits than its factorization.

90538003432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4824360 (or 4824356 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 90538003432 in words is "ninety billion, five hundred thirty-eight million, three thousand, four hundred thirty-two".