2656613444 has 12 divisors (see below), whose sum is σ = 4757191824. Its totient is φ = 1297415784.

The previous prime is 2656613437. The next prime is 2656613447. The reversal of 2656613444 is 4443166562.

It is a super-2 number, since 2×2656613444² = 14115189981683082272, which contains 22 as substring.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2656613447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7722542 + ... + 7722885.

It is an arithmetic number, because the mean of its divisors is an integer number (396432652).

Almost surely, 2^2656613444 is an apocalyptic number.

It is an amenable number.

2656613444 is a deficient number, since it is larger than the sum of its proper divisors (2100578380).

2656613444 is a wasteful number, since it uses less digits than its factorization.

2656613444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445474 (or 15445472 counting only the distinct ones).

The product of its digits is 414720, while the sum is 41.

The square root of 2656613444 is about 51542.3461243277. The cubic root of 2656613444 is about 1384.9777254039.

The spelling of 2656613444 in words is "two billion, six hundred fifty-six million, six hundred thirteen thousand, four hundred forty-four".