2656435456 has 18 divisors (see below), whose sum is σ = 5302494722. Its totient is φ = 1328217600.

The previous prime is 2656435451. The next prime is 2656435499. The reversal of 2656435456 is 6545346562.

2656435456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 1799117056 + 857318400 = 42416^2 + 29280^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656435451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5188095 + ... + 5188606.

Almost surely, 2^2656435456 is an apocalyptic number.

It is an amenable number.

2656435456 is a deficient number, since it is larger than the sum of its proper divisors (2646059266).

2656435456 is an equidigital number, since it uses as much as digits as its factorization.

2656435456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10376717 (or 10376703 counting only the distinct ones).

The product of its digits is 2592000, while the sum is 46.

The square root of 2656435456 is about 51540.6194762927. The cubic root of 2656435456 is about 1384.9467944303.

The spelling of 2656435456 in words is "two billion, six hundred fifty-six million, four hundred thirty-five thousand, four hundred fifty-six".