2655564444 has 72 divisors (see below), whose sum is σ = 7424464320. Its totient is φ = 795007872.

The previous prime is 2655564433. The next prime is 2655564449. The reversal of 2655564444 is 4444655562.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2655564444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2655564449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 59364 + ... + 93995.

It is an arithmetic number, because the mean of its divisors is an integer number (103117560).

Almost surely, 2^2655564444 is an apocalyptic number.

It is an amenable number.

2655564444 is an abundant number, since it is smaller than the sum of its proper divisors (4768899876).

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

2655564444 is a wasteful number, since it uses less digits than its factorization.

2655564444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153419 (or 153414 counting only the distinct ones).

The product of its digits is 2304000, while the sum is 45.

The square root of 2655564444 is about 51532.1690209135. The cubic root of 2655564444 is about 1384.7954089659.

The spelling of 2655564444 in words is "two billion, six hundred fifty-five million, five hundred sixty-four thousand, four hundred forty-four".