33038953728 has 72 divisors (see below), whose sum is σ = 95925623136. Its totient is φ = 10011801600.

The previous prime is 33038953697. The next prime is 33038953741. The reversal of 33038953728 is 82735983033.

It is a congruent number.

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, 1946983 + ... + 1963878.

Almost surely, 2^33038953728 is an apocalyptic number.

It is an amenable number.

33038953728 is an abundant number, since it is smaller than the sum of its proper divisors (62886669408).

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

33038953728 is a wasteful number, since it uses less digits than its factorization.

33038953728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3910891 (or 3910877 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 33038953728 in words is "thirty-three billion, thirty-eight million, nine hundred fifty-three thousand, seven hundred twenty-eight".