2495278456 has 24 divisors (see below), whose sum is σ = 5142647160. Its totient is φ = 1134217040.

The previous prime is 2495278451. The next prime is 2495278459. The reversal of 2495278456 is 6548725942.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2495278451) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1287916 + ... + 1289851.

It is an arithmetic number, because the mean of its divisors is an integer number (214276965).

Almost surely, 2^2495278456 is an apocalyptic number.

It is an amenable number.

2495278456 is an abundant number, since it is smaller than the sum of its proper divisors (2647368704).

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

2495278456 is a wasteful number, since it uses less digits than its factorization.

2495278456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2577795 (or 2577780 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 52.

The square root of 2495278456 is about 49952.7622459459. The cubic root of 2495278456 is about 1356.3538536965.

The spelling of 2495278456 in words is "two billion, four hundred ninety-five million, two hundred seventy-eight thousand, four hundred fifty-six".