33029145372 has 12 divisors (see below), whose sum is σ = 77068005896. Its totient is φ = 11009715120.

The previous prime is 33029145371. The next prime is 33029145473. The reversal of 33029145372 is 27354192033.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 33029145372.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33029145371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1376214379 + ... + 1376214402.

Almost surely, 2^33029145372 is an apocalyptic number.

It is an amenable number.

33029145372 is an abundant number, since it is smaller than the sum of its proper divisors (44038860524).

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

33029145372 is a wasteful number, since it uses less digits than its factorization.

33029145372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752428788 (or 2752428786 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 39.

The spelling of 33029145372 in words is "thirty-three billion, twenty-nine million, one hundred forty-five thousand, three hundred seventy-two".