2656423260 has 36 divisors (see below), whose sum is σ = 8057817768. Its totient is φ = 708379488.

The previous prime is 2656423241. The next prime is 2656423261. The reversal of 2656423260 is 623246562.

2656423260 is a `hidden beast` number, since 2 + 6 + 5 + 642 + 3 + 2 + 6 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656423261) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7378774 + ... + 7379133.

Almost surely, 2^2656423260 is an apocalyptic number.

2656423260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2656423260 is an abundant number, since it is smaller than the sum of its proper divisors (5401394508).

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

2656423260 is a wasteful number, since it uses less digits than its factorization.

2656423260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14757922 (or 14757917 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The square root of 2656423260 is about 51540.5011617078. The cubic root of 2656423260 is about 1384.9446749438.

The spelling of 2656423260 in words is "two billion, six hundred fifty-six million, four hundred twenty-three thousand, two hundred sixty".