15813040764 has 48 divisors (see below), whose sum is σ = 37711650816. Its totient is φ = 5155819200.

The previous prime is 15813040751. The next prime is 15813040769. The reversal of 15813040764 is 46704031851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15813040769) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35134 + ... + 181274.

It is an arithmetic number, because the mean of its divisors is an integer number (785659392).

Almost surely, 2^15813040764 is an apocalyptic number.

It is an amenable number.

15813040764 is an abundant number, since it is smaller than the sum of its proper divisors (21898610052).

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

15813040764 is a wasteful number, since it uses less digits than its factorization.

15813040764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146346 (or 146344 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 15813040764 in words is "fifteen billion, eight hundred thirteen million, forty thousand, seven hundred sixty-four".