33030785028 has 24 divisors (see below), whose sum is σ = 77075626432. Its totient is φ = 11009719584.

The previous prime is 33030785017. The next prime is 33030785041. The reversal of 33030785028 is 82058703033.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243201 + ... + 353847.

Almost surely, 2^33030785028 is an apocalyptic number.

It is an amenable number.

33030785028 is an abundant number, since it is smaller than the sum of its proper divisors (44044841404).

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

33030785028 is a wasteful number, since it uses less digits than its factorization.

33030785028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135531 (or 135529 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 33030785028 in words is "thirty-three billion, thirty million, seven hundred eighty-five thousand, twenty-eight".