2456257494 has 16 divisors (see below), whose sum is σ = 4914221760. Its totient is φ = 818468040.

The previous prime is 2456257409. The next prime is 2456257501. The reversal of 2456257494 is 4947526542.

2456257494 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52012 + ... + 87279.

It is an arithmetic number, because the mean of its divisors is an integer number (307138860).

Almost surely, 2^2456257494 is an apocalyptic number.

2456257494 is an abundant number, since it is smaller than the sum of its proper divisors (2457964266).

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

2456257494 is a wasteful number, since it uses less digits than its factorization.

2456257494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142235.

The product of its digits is 2419200, while the sum is 48.

The square root of 2456257494 is about 49560.6446083987. The cubic root of 2456257494 is about 1349.2464919875.

The spelling of 2456257494 in words is "two billion, four hundred fifty-six million, two hundred fifty-seven thousand, four hundred ninety-four".