10327991904 has 72 divisors (see below), whose sum is σ = 29380052520. Its totient is φ = 3441512448.

The previous prime is 10327991903. The next prime is 10327991909. The reversal of 10327991904 is 40919972301.

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

It is a self number, because there is not a number n which added to its sum of digits gives 10327991904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10327991903) 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, 1626624 + ... + 1632960.

It is an arithmetic number, because the mean of its divisors is an integer number (408056285).

Almost surely, 2^10327991904 is an apocalyptic number.

It is an amenable number.

10327991904 is an abundant number, since it is smaller than the sum of its proper divisors (19052060616).

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

10327991904 is a wasteful number, since it uses less digits than its factorization.

10327991904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12012 (or 12001 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 10327991904 in words is "ten billion, three hundred twenty-seven million, nine hundred ninety-one thousand, nine hundred four".