2656001444 has 24 divisors (see below), whose sum is σ = 4700998848. Its totient is φ = 1312898400.

The previous prime is 2656001423. The next prime is 2656001449. The reversal of 2656001444 is 4441006562.

It is a self number, because there is not a number n which added to its sum of digits gives 2656001444.

It is not an unprimeable number, because it can be changed into a prime (2656001449) 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, 289187 + ... + 298229.

It is an arithmetic number, because the mean of its divisors is an integer number (195874952).

Almost surely, 2^2656001444 is an apocalyptic number.

It is an amenable number.

2656001444 is a deficient number, since it is larger than the sum of its proper divisors (2044997404).

2656001444 is a wasteful number, since it uses less digits than its factorization.

2656001444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875 (or 9873 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 2656001444 is about 51536.4089164156. The cubic root of 2656001444 is about 1384.8713654985.

The spelling of 2656001444 in words is "two billion, six hundred fifty-six million, one thousand, four hundred forty-four".