33868318038 has 32 divisors (see below), whose sum is σ = 68035645440. Its totient is φ = 11239644000.

The previous prime is 33868318031. The next prime is 33868318061. The reversal of 33868318038 is 83081386833.

It is a happy number.

It is a super-2 number, since 2×33868318038² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33868318031) 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 15 ways as a sum of consecutive naturals, for example, 5971468 + ... + 5977136.

It is an arithmetic number, because the mean of its divisors is an integer number (2126113920).

Almost surely, 2^33868318038 is an apocalyptic number.

33868318038 is an abundant number, since it is smaller than the sum of its proper divisors (34167327402).

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

33868318038 is a wasteful number, since it uses less digits than its factorization.

33868318038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9892.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The spelling of 33868318038 in words is "thirty-three billion, eight hundred sixty-eight million, three hundred eighteen thousand, thirty-eight".