32993957408 has 24 divisors (see below), whose sum is σ = 68777846172. Its totient is φ = 15526567936.

The previous prime is 32993957407. The next prime is 32993957411. The reversal of 32993957408 is 80475939923.

It can be written as a sum of positive squares in 2 ways, for example, as 32453301904 + 540655504 = 180148^2 + 23252^2 .

It is not an unprimeable number, because it can be changed into a prime (32993957407) 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 3 ways as a sum of consecutive naturals, for example, 30324785 + ... + 30325872.

Almost surely, 2^32993957408 is an apocalyptic number.

It is an amenable number.

32993957408 is an abundant number, since it is smaller than the sum of its proper divisors (35783888764).

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

32993957408 is a wasteful number, since it uses less digits than its factorization.

32993957408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60650684 (or 60650676 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 59.

The spelling of 32993957408 in words is "thirty-two billion, nine hundred ninety-three million, nine hundred fifty-seven thousand, four hundred eight".