2638315456 has 28 divisors (see below), whose sum is σ = 5983323568. Its totient is φ = 1130706432.

The previous prime is 2638315429. The next prime is 2638315457. The reversal of 2638315456 is 6545138362.

2638315456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2638315457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2944101 + ... + 2944996.

Almost surely, 2^2638315456 is an apocalyptic number.

It is an amenable number.

2638315456 is an abundant number, since it is smaller than the sum of its proper divisors (3345008112).

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

2638315456 is an equidigital number, since it uses as much as digits as its factorization.

2638315456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5889116 (or 5889106 counting only the distinct ones).

The product of its digits is 518400, while the sum is 43.

The square root of 2638315456 is about 51364.5350022756. The cubic root of 2638315456 is about 1381.7906210318.

The spelling of 2638315456 in words is "two billion, six hundred thirty-eight million, three hundred fifteen thousand, four hundred fifty-six".