33018009780988 has 24 divisors (see below), whose sum is σ = 59022535989312. Its totient is φ = 16154566461504.

The previous prime is 33018009780929. The next prime is 33018009781033. The reversal of 33018009780988 is 88908790081033.

It is a super-2 number, since 2×33018009780988² (a number of 28 digits) contains 22 as substring.

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, 16341931 + ... + 18250882.

It is an arithmetic number, because the mean of its divisors is an integer number (2459272332888).

Almost surely, 2^{33018009780988} is an apocalyptic number.

It is an amenable number.

33018009780988 is a deficient number, since it is larger than the sum of its proper divisors (26004526208324).

33018009780988 is a wasteful number, since it uses less digits than its factorization.

33018009780988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34597941 (or 34597939 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 64.

The spelling of 33018009780988 in words is "thirty-three trillion, eighteen billion, nine million, seven hundred eighty thousand, nine hundred eighty-eight".