2640124372 has 12 divisors (see below), whose sum is σ = 4620623616. Its totient is φ = 1319946200.

The previous prime is 2640124339. The next prime is 2640124379. The reversal of 2640124372 is 2734210462.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2640124379) 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, 40983 + ... + 83425.

It is an arithmetic number, because the mean of its divisors is an integer number (385051968).

Almost surely, 2^2640124372 is an apocalyptic number.

It is an amenable number.

2640124372 is a deficient number, since it is larger than the sum of its proper divisors (1980499244).

2640124372 is a wasteful number, since it uses less digits than its factorization.

2640124372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57998 (or 57996 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 31.

The square root of 2640124372 is about 51382.1405937900. The cubic root of 2640124372 is about 1382.1063492765.

The spelling of 2640124372 in words is "two billion, six hundred forty million, one hundred twenty-four thousand, three hundred seventy-two".