2656545144 has 128 divisors (see below), whose sum is σ = 7513793280. Its totient is φ = 775654400.

The previous prime is 2656545107. The next prime is 2656545167. The reversal of 2656545144 is 4415456562.

It is a junction number, because it is equal to n+sod(n) for n = 2656545096 and 2656545105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 896914 + ... + 899870.

It is an arithmetic number, because the mean of its divisors is an integer number (58701510).

Almost surely, 2^2656545144 is an apocalyptic number.

2656545144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2656545144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3756896640).

2656545144 is an abundant number, since it is smaller than the sum of its proper divisors (4857248136).

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

2656545144 is a wasteful number, since it uses less digits than its factorization.

2656545144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3101 (or 3097 counting only the distinct ones).

The product of its digits is 576000, while the sum is 42.

The square root of 2656545144 is about 51541.6835580678. The cubic root of 2656545144 is about 1384.9658563092.

The spelling of 2656545144 in words is "two billion, six hundred fifty-six million, five hundred forty-five thousand, one hundred forty-four".