3132688644 has 72 divisors (see below), whose sum is σ = 8000155800. Its totient is φ = 1033546752.

The previous prime is 3132688609. The next prime is 3132688679. The reversal of 3132688644 is 4468862313.

It is an interprime number because it is at equal distance from previous prime (3132688609) and next prime (3132688679).

It can be written as a sum of positive squares in 4 ways, for example, as 2286144 + 3130402500 = 1512^2 + 55950^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3132688644.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1806802 + ... + 1808534.

It is an arithmetic number, because the mean of its divisors is an integer number (111113275).

Almost surely, 2^3132688644 is an apocalyptic number.

It is an amenable number.

3132688644 is an abundant number, since it is smaller than the sum of its proper divisors (4867467156).

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

3132688644 is a wasteful number, since it uses less digits than its factorization.

3132688644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2229 (or 2224 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 3132688644 is about 55970.4265125789. The cubic root of 3132688644 is about 1463.2069127777.

The spelling of 3132688644 in words is "three billion, one hundred thirty-two million, six hundred eighty-eight thousand, six hundred forty-four".