33881264228 has 48 divisors (see below), whose sum is σ = 71014339200. Its totient is φ = 14128073568.

The previous prime is 33881264201. The next prime is 33881264233. The reversal of 33881264228 is 82246218833.

It is a super-2 number, since 2×33881264228² (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, 282950 + ... + 384477.

It is an arithmetic number, because the mean of its divisors is an integer number (1479465400).

Almost surely, 2^33881264228 is an apocalyptic number.

It is an amenable number.

33881264228 is an abundant number, since it is smaller than the sum of its proper divisors (37133074972).

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

33881264228 is a wasteful number, since it uses less digits than its factorization.

33881264228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 667489 (or 667473 counting only the distinct ones).

The product of its digits is 884736, while the sum is 47.

The spelling of 33881264228 in words is "thirty-three billion, eight hundred eighty-one million, two hundred sixty-four thousand, two hundred twenty-eight".