33149078328 has 64 divisors (see below), whose sum is σ = 87786063360. Its totient is φ = 10395147776.

The previous prime is 33149078323. The next prime is 33149078341. The reversal of 33149078328 is 82387094133.

It is a super-2 number, since 2×33149078328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33149078323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981775 + ... + 1014977.

It is an arithmetic number, because the mean of its divisors is an integer number (1371657240).

Almost surely, 2^33149078328 is an apocalyptic number.

It is an amenable number.

33149078328 is an abundant number, since it is smaller than the sum of its proper divisors (54636985032).

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

33149078328 is a wasteful number, since it uses less digits than its factorization.

33149078328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35676 (or 35672 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 33149078328 in words is "thirty-three billion, one hundred forty-nine million, seventy-eight thousand, three hundred twenty-eight".