5131440870 has 32 divisors (see below), whose sum is σ = 12317384448. Its totient is φ = 1368170208.

The previous prime is 5131440869. The next prime is 5131440877. The reversal of 5131440870 is 780441315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5131440877) 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, 308917 + ... + 325103.

It is an arithmetic number, because the mean of its divisors is an integer number (384918264).

Almost surely, 2^5131440870 is an apocalyptic number.

5131440870 is an abundant number, since it is smaller than the sum of its proper divisors (7185943578).

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

5131440870 is a wasteful number, since it uses less digits than its factorization.

5131440870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26764.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 5131440870 is about 71634.0761788690. The cubic root of 5131440870 is about 1724.8305786139.

The spelling of 5131440870 in words is "five billion, one hundred thirty-one million, four hundred forty thousand, eight hundred seventy".