33325505028 has 36 divisors (see below), whose sum is σ = 87359454000. Its totient is φ = 11108501352.

The previous prime is 33325505011. The next prime is 33325505033. The reversal of 33325505028 is 82050552333.

33325505028 is a `hidden beast` number, since 3 + 3 + 32 + 550 + 50 + 28 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×33325505028² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 33325504983 and 33325505001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17141778 + ... + 17143721.

It is an arithmetic number, because the mean of its divisors is an integer number (2426651500).

Almost surely, 2^33325505028 is an apocalyptic number.

It is an amenable number.

33325505028 is an abundant number, since it is smaller than the sum of its proper divisors (54033948972).

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

33325505028 is a wasteful number, since it uses less digits than its factorization.

33325505028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34285518 (or 34285504 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The spelling of 33325505028 in words is "thirty-three billion, three hundred twenty-five million, five hundred five thousand, twenty-eight".