33530625028 has 12 divisors (see below), whose sum is σ = 59038586320. Its totient is φ = 16662457512.

The previous prime is 33530625013. The next prime is 33530625031. The reversal of 33530625028 is 82052603533.

It is a super-2 number, since 2×33530625028² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25713018 + ... + 25714321.

Almost surely, 2^33530625028 is an apocalyptic number.

It is an amenable number.

33530625028 is a deficient number, since it is larger than the sum of its proper divisors (25507961292).

33530625028 is a wasteful number, since it uses less digits than its factorization.

33530625028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51427506 (or 51427504 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 33530625028 in words is "thirty-three billion, five hundred thirty million, six hundred twenty-five thousand, twenty-eight".