5131790240 has 24 divisors (see below), whose sum is σ = 12123854820. Its totient is φ = 2052716032.

The previous prime is 5131790231. The next prime is 5131790267. The reversal of 5131790240 is 420971315.

It can be written as a sum of positive squares in 2 ways, for example, as 5124841744 + 6948496 = 71588^2 + 2636^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 5131790197 and 5131790206.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16036685 + ... + 16037004.

Almost surely, 2^5131790240 is an apocalyptic number.

It is an amenable number.

5131790240 is an abundant number, since it is smaller than the sum of its proper divisors (6992064580).

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

5131790240 is a wasteful number, since it uses less digits than its factorization.

5131790240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32073704 (or 32073696 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 32.

The square root of 5131790240 is about 71636.5147114235. The cubic root of 5131790240 is about 1724.8697222903.

The spelling of 5131790240 in words is "five billion, one hundred thirty-one million, seven hundred ninety thousand, two hundred forty".