2552661244 has 24 divisors (see below), whose sum is σ = 5116519520. Its totient is φ = 1091598336.

The previous prime is 2552661217. The next prime is 2552661247. The reversal of 2552661244 is 4421662552.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2552661247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86949 + ... + 112540.

Almost surely, 2^2552661244 is an apocalyptic number.

It is an amenable number.

2552661244 is an abundant number, since it is smaller than the sum of its proper divisors (2563858276).

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

2552661244 is a wasteful number, since it uses less digits than its factorization.

2552661244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199957 (or 199955 counting only the distinct ones).

The product of its digits is 115200, while the sum is 37.

The square root of 2552661244 is about 50523.8680625306. The cubic root of 2552661244 is about 1366.6723087083.

The spelling of 2552661244 in words is "two billion, five hundred fifty-two million, six hundred sixty-one thousand, two hundred forty-four".