33939031968 has 48 divisors (see below), whose sum is σ = 98988845760. Its totient is φ = 11313010368.

The previous prime is 33939031957. The next prime is 33939031969. The reversal of 33939031968 is 86913093933.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (33939031969) 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, 19639780 + ... + 19641507.

It is an arithmetic number, because the mean of its divisors is an integer number (2062267620).

Almost surely, 2^33939031968 is an apocalyptic number.

It is an amenable number.

33939031968 is an abundant number, since it is smaller than the sum of its proper divisors (65049813792).

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

33939031968 is a wasteful number, since it uses less digits than its factorization.

33939031968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39281306 (or 39281292 counting only the distinct ones).

The product of its (nonzero) digits is 2834352, while the sum is 54.

The spelling of 33939031968 in words is "thirty-three billion, nine hundred thirty-nine million, thirty-one thousand, nine hundred sixty-eight".