2645252204 has 24 divisors (see below), whose sum is σ = 5291734560. Its totient is φ = 1133415936.

The previous prime is 2645252191. The next prime is 2645252209. The reversal of 2645252204 is 4022525462.

It is not an unprimeable number, because it can be changed into a prime (2645252209) 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 7 ways as a sum of consecutive naturals, for example, 156284 + ... + 172380.

It is an arithmetic number, because the mean of its divisors is an integer number (220488940).

Almost surely, 2^2645252204 is an apocalyptic number.

It is an amenable number.

2645252204 is an abundant number, since it is smaller than the sum of its proper divisors (2646482356).

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

2645252204 is a wasteful number, since it uses less digits than its factorization.

2645252204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21977 (or 21975 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 32.

The square root of 2645252204 is about 51432.0153600848. The cubic root of 2645252204 is about 1383.0005780690. Note that the first 3 decimals are identical.

Adding to 2645252204 its reverse (4022525462), we get a palindrome (6667777666).

The spelling of 2645252204 in words is "two billion, six hundred forty-five million, two hundred fifty-two thousand, two hundred four".