32990673888 has 72 divisors (see below), whose sum is σ = 93879761976. Its totient is φ = 10989561600.

The previous prime is 32990673851. The next prime is 32990673889. The reversal of 32990673888 is 88837609923.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32990673889) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 403518 + ... + 478338.

It is an arithmetic number, because the mean of its divisors is an integer number (1303885583).

Almost surely, 2^32990673888 is an apocalyptic number.

It is an amenable number.

32990673888 is an abundant number, since it is smaller than the sum of its proper divisors (60889088088).

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

32990673888 is a wasteful number, since it uses less digits than its factorization.

32990673888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76368 (or 76357 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 63.

The spelling of 32990673888 in words is "thirty-two billion, nine hundred ninety million, six hundred seventy-three thousand, eight hundred eighty-eight".