3132321440 has 24 divisors (see below), whose sum is σ = 7400109780. Its totient is φ = 1252928512.

The previous prime is 3132321431. The next prime is 3132321443. The reversal of 3132321440 is 441232313.

It can be written as a sum of positive squares in 2 ways, for example, as 2530894864 + 601426576 = 50308^2 + 24524^2 .

It is a super-2 number, since 2×3132321440² = 19622875206967347200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3132321443) 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 3 ways as a sum of consecutive naturals, for example, 9788345 + ... + 9788664.

Almost surely, 2^3132321440 is an apocalyptic number.

It is an amenable number.

3132321440 is an abundant number, since it is smaller than the sum of its proper divisors (4267788340).

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

3132321440 is a wasteful number, since it uses less digits than its factorization.

3132321440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19577024 (or 19577016 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3132321440 is about 55967.1460769620. The cubic root of 3132321440 is about 1463.1497396923.

Adding to 3132321440 its reverse (441232313), we get a palindrome (3573553753).

The spelling of 3132321440 in words is "three billion, one hundred thirty-two million, three hundred twenty-one thousand, four hundred forty".