5815309872 has 40 divisors (see below), whose sum is σ = 15068311360. Its totient is φ = 1932575040.

The previous prime is 5815309861. The next prime is 5815309873. The reversal of 5815309872 is 2789035185.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (5815309873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 167122 + ... + 198897.

It is an arithmetic number, because the mean of its divisors is an integer number (376707784).

Almost surely, 2^5815309872 is an apocalyptic number.

It is an amenable number.

5815309872 is an abundant number, since it is smaller than the sum of its proper divisors (9253001488).

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

5815309872 is a wasteful number, since it uses less digits than its factorization.

5815309872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 366361 (or 366355 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 48.

The square root of 5815309872 is about 76258.1790498567. The cubic root of 5815309872 is about 1798.2812680312.

The spelling of 5815309872 in words is "five billion, eight hundred fifteen million, three hundred nine thousand, eight hundred seventy-two".