33990153900 has 36 divisors (see below), whose sum is σ = 98344846152. Its totient is φ = 9064040960.

The previous prime is 33990153853. The next prime is 33990153913. The reversal of 33990153900 is 935109933.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56649957 + ... + 56650556.

It is an arithmetic number, because the mean of its divisors is an integer number (2731801282).

Almost surely, 2^33990153900 is an apocalyptic number.

33990153900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

33990153900 is an abundant number, since it is smaller than the sum of its proper divisors (64354692252).

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

33990153900 is a wasteful number, since it uses less digits than its factorization.

33990153900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113300530 (or 113300523 counting only the distinct ones).

The product of its (nonzero) digits is 98415, while the sum is 42.

The spelling of 33990153900 in words is "thirty-three billion, nine hundred ninety million, one hundred fifty-three thousand, nine hundred".