2640213304 has 16 divisors (see below), whose sum is σ = 4961239200. Its totient is φ = 1317216192.

The previous prime is 2640213283. The next prime is 2640213319. The reversal of 2640213304 is 4033120462.

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, 357424 + ... + 364735.

It is an arithmetic number, because the mean of its divisors is an integer number (310077450).

Almost surely, 2^2640213304 is an apocalyptic number.

It is an amenable number.

2640213304 is a deficient number, since it is larger than the sum of its proper divisors (2321025896).

2640213304 is a wasteful number, since it uses less digits than its factorization.

2640213304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722622 (or 722618 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2640213304 is about 51383.0059844692. The cubic root of 2640213304 is about 1382.1218677502.

Adding to 2640213304 its reverse (4033120462), we get a palindrome (6673333766).

The spelling of 2640213304 in words is "two billion, six hundred forty million, two hundred thirteen thousand, three hundred four".