33880028112 has 120 divisors (see below), whose sum is σ = 112375821376. Its totient is φ = 9680000256.

The previous prime is 33880028107. The next prime is 33880028173. The reversal of 33880028112 is 21182008833.

It is a super-2 number, since 2×33880028112² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 595213 + ... + 649644.

Almost surely, 2^33880028112 is an apocalyptic number.

It is an amenable number.

33880028112 is an abundant number, since it is smaller than the sum of its proper divisors (78495793264).

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

33880028112 is a wasteful number, since it uses less digits than its factorization.

33880028112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244887 (or 1244869 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The spelling of 33880028112 in words is "thirty-three billion, eight hundred eighty million, twenty-eight thousand, one hundred twelve".