3132818240 has 28 divisors (see below), whose sum is σ = 7460024196. Its totient is φ = 1253127168.

The previous prime is 3132818239. The next prime is 3132818261. The reversal of 3132818240 is 428182313.

It can be written as a sum of positive squares in 2 ways, for example, as 434639104 + 2698179136 = 20848^2 + 51944^2 .

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 = 3132818197 and 3132818206.

It is a congruent number.

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, 4894709 + ... + 4895348.

Almost surely, 2^3132818240 is an apocalyptic number.

It is an amenable number.

3132818240 is an abundant number, since it is smaller than the sum of its proper divisors (4327205956).

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

3132818240 is an equidigital number, since it uses as much as digits as its factorization.

3132818240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9790074 (or 9790064 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 3132818240 is about 55971.5842191375. The cubic root of 3132818240 is about 1463.2270896045.

The spelling of 3132818240 in words is "three billion, one hundred thirty-two million, eight hundred eighteen thousand, two hundred forty".