3132640740 has 24 divisors (see below), whose sum is σ = 8771394240. Its totient is φ = 835370848.

The previous prime is 3132640727. The next prime is 3132640741. The reversal of 3132640740 is 470462313.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3132640698 and 3132640707.

It is not an unprimeable number, because it can be changed into a prime (3132640741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26105280 + ... + 26105399.

It is an arithmetic number, because the mean of its divisors is an integer number (365474760).

Almost surely, 2^3132640740 is an apocalyptic number.

3132640740 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3132640740 is an abundant number, since it is smaller than the sum of its proper divisors (5638753500).

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

3132640740 is a wasteful number, since it uses less digits than its factorization.

3132640740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52210691 (or 52210689 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 3132640740 is about 55969.9985706628. The cubic root of 3132640740 is about 1463.1994544537.

The spelling of 3132640740 in words is "three billion, one hundred thirty-two million, six hundred forty thousand, seven hundred forty".