30890893536 has 60 divisors (see below), whose sum is σ = 90849267432. Its totient is φ = 10296963648.

The previous prime is 30890893493. The next prime is 30890893543. The reversal of 30890893536 is 63539809803.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5956300 + ... + 5961483.

Almost surely, 2^30890893536 is an apocalyptic number.

30890893536 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

30890893536 is an abundant number, since it is smaller than the sum of its proper divisors (59958373896).

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

30890893536 is a wasteful number, since it uses less digits than its factorization.

30890893536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11917805 (or 11917788 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 30890893536 in words is "thirty billion, eight hundred ninety million, eight hundred ninety-three thousand, five hundred thirty-six".