90004371432 has 16 divisors (see below), whose sum is σ = 225010928640. Its totient is φ = 30001457136.

The previous prime is 90004371419. The next prime is 90004371433. The reversal of 90004371432 is 23417340009.

It is a junction number, because it is equal to n+sod(n) for n = 90004371393 and 90004371402.

It is not an unprimeable number, because it can be changed into a prime (90004371433) 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, 1875091048 + ... + 1875091095.

It is an arithmetic number, because the mean of its divisors is an integer number (14063183040).

Almost surely, 2^90004371432 is an apocalyptic number.

It is an amenable number.

90004371432 is an abundant number, since it is smaller than the sum of its proper divisors (135006557208).

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

90004371432 is a wasteful number, since it uses less digits than its factorization.

90004371432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3750182152 (or 3750182148 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 33.

The spelling of 90004371432 in words is "ninety billion, four million, three hundred seventy-one thousand, four hundred thirty-two".