2656634344 has 64 divisors (see below), whose sum is σ = 6140534400. Its totient is φ = 1049289984.

The previous prime is 2656634333. The next prime is 2656634347. The reversal of 2656634344 is 4434366562.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2656634344.

It is not an unprimeable number, because it can be changed into a prime (2656634347) 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, 513579 + ... + 518725.

It is an arithmetic number, because the mean of its divisors is an integer number (95945850).

Almost surely, 2^2656634344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656634344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3070267200).

2656634344 is an abundant number, since it is smaller than the sum of its proper divisors (3483900056).

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

2656634344 is a wasteful number, since it uses less digits than its factorization.

2656634344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5882 (or 5878 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 43.

The square root of 2656634344 is about 51542.5488698415. The cubic root of 2656634344 is about 1384.9813573409.

The spelling of 2656634344 in words is "two billion, six hundred fifty-six million, six hundred thirty-four thousand, three hundred forty-four".