90381903224 has 16 divisors (see below), whose sum is σ = 173599387920. Its totient is φ = 44088733120.

The previous prime is 90381903211. The next prime is 90381903233. The reversal of 90381903224 is 42230918309.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137776964 + ... + 137777619.

It is an arithmetic number, because the mean of its divisors is an integer number (10849961745).

Almost surely, 2^90381903224 is an apocalyptic number.

It is an amenable number.

90381903224 is a deficient number, since it is larger than the sum of its proper divisors (83217484696).

90381903224 is a wasteful number, since it uses less digits than its factorization.

90381903224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275554630 (or 275554626 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The spelling of 90381903224 in words is "ninety billion, three hundred eighty-one million, nine hundred three thousand, two hundred twenty-four".