33856738408 has 16 divisors (see below), whose sum is σ = 65197098180. Its totient is φ = 16470845568.

The previous prime is 33856738379. The next prime is 33856738453. The reversal of 33856738408 is 80483765833.

It can be written as a sum of positive squares in 2 ways, for example, as 24667215364 + 9189523044 = 157058^2 + 95862^2 .

It is a super-2 number, since 2×33856738408² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57190141 + ... + 57190732.

Almost surely, 2^33856738408 is an apocalyptic number.

It is an amenable number.

33856738408 is a deficient number, since it is larger than the sum of its proper divisors (31340359772).

33856738408 is a wasteful number, since it uses less digits than its factorization.

33856738408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114380916 (or 114380912 counting only the distinct ones).

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 33856738408 in words is "thirty-three billion, eight hundred fifty-six million, seven hundred thirty-eight thousand, four hundred eight".