2656478322 has 32 divisors (see below), whose sum is σ = 5984160960. Its totient is φ = 873361440.

The previous prime is 2656478303. The next prime is 2656478339. The reversal of 2656478322 is 2238746562.

2656478322 is a `hidden beast` number, since 2 + 6 + 564 + 7 + 83 + 2 + 2 = 666.

2656478322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333004 + ... + 340887.

It is an arithmetic number, because the mean of its divisors is an integer number (187005030).

Almost surely, 2^2656478322 is an apocalyptic number.

2656478322 is an abundant number, since it is smaller than the sum of its proper divisors (3327682638).

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

2656478322 is a wasteful number, since it uses less digits than its factorization.

2656478322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673975 (or 673969 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 2656478322 is about 51541.0353213825. The cubic root of 2656478322 is about 1384.9542438628.

The spelling of 2656478322 in words is "two billion, six hundred fifty-six million, four hundred seventy-eight thousand, three hundred twenty-two".