2656501456 has 20 divisors (see below), whose sum is σ = 5882253472. Its totient is φ = 1138500576.

The previous prime is 2656501453. The next prime is 2656501483. The reversal of 2656501456 is 6541056562.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656501451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11859270 + ... + 11859493.

Almost surely, 2^2656501456 is an apocalyptic number.

It is an amenable number.

2656501456 is an abundant number, since it is smaller than the sum of its proper divisors (3225752016).

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

2656501456 is a wasteful number, since it uses less digits than its factorization.

2656501456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23718778 (or 23718772 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 40.

The square root of 2656501456 is about 51541.2597440148. The cubic root of 2656501456 is about 1384.9582641526.

The spelling of 2656501456 in words is "two billion, six hundred fifty-six million, five hundred one thousand, four hundred fifty-six".