33389438916 has 48 divisors (see below), whose sum is σ = 80137560384. Its totient is φ = 10812329856.

The previous prime is 33389438893. The next prime is 33389438921. The reversal of 33389438916 is 61983498333.

It is a happy number.

It is a super-2 number, since 2×33389438916² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232351 + ... + 347513.

It is an arithmetic number, because the mean of its divisors is an integer number (1669532508).

Almost surely, 2^33389438916 is an apocalyptic number.

It is an amenable number.

33389438916 is an abundant number, since it is smaller than the sum of its proper divisors (46748121468).

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

33389438916 is a wasteful number, since it uses less digits than its factorization.

33389438916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115860 (or 115858 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 57.

The spelling of 33389438916 in words is "thirty-three billion, three hundred eighty-nine million, four hundred thirty-eight thousand, nine hundred sixteen".