33530403612 has 24 divisors (see below), whose sum is σ = 79116685200. Its totient is φ = 11051218816.

The previous prime is 33530403601. The next prime is 33530403617. The reversal of 33530403612 is 21630403533.

It is a super-2 number, since 2×33530403612² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33530403612.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33530403617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15696687 + ... + 15698822.

It is an arithmetic number, because the mean of its divisors is an integer number (3296528550).

Almost surely, 2^33530403612 is an apocalyptic number.

It is an amenable number.

33530403612 is an abundant number, since it is smaller than the sum of its proper divisors (45586281588).

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

33530403612 is a wasteful number, since it uses less digits than its factorization.

33530403612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31395605 (or 31395603 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 30.

The spelling of 33530403612 in words is "thirty-three billion, five hundred thirty million, four hundred three thousand, six hundred twelve".