2640250 has 32 divisors (see below), whose sum is σ = 5054400. Its totient is φ = 1032400.

The previous prime is 2640227. The next prime is 2640251. The reversal of 2640250 is 520462.

It is not an unprimeable number, because it can be changed into a prime (2640251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14661 + ... + 14839.

It is an arithmetic number, because the mean of its divisors is an integer number (157950).

2^2640250 is an apocalyptic number.

2640250 is a deficient number, since it is larger than the sum of its proper divisors (2414150).

2640250 is a wasteful number, since it uses less digits than its factorization.

2640250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 2640250 is about 1624.8846112878. The cubic root of 2640250 is about 138.2128271034.

The spelling of 2640250 in words is "two million, six hundred forty thousand, two hundred fifty".