2456317648 has 20 divisors (see below), whose sum is σ = 4848911748. Its totient is φ = 1204985600.

The previous prime is 2456317621. The next prime is 2456317649. The reversal of 2456317648 is 8467136542.

It can be written as a sum of positive squares in 2 ways, for example, as 2187619984 + 268697664 = 46772^2 + 16392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2456317598 and 2456317607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456317649) 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, 1447453 + ... + 1449148.

Almost surely, 2^2456317648 is an apocalyptic number.

It is an amenable number.

2456317648 is a deficient number, since it is larger than the sum of its proper divisors (2392594100).

2456317648 is a wasteful number, since it uses less digits than its factorization.

2456317648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2896662 (or 2896656 counting only the distinct ones).

The product of its digits is 967680, while the sum is 46.

The square root of 2456317648 is about 49561.2514773386. The cubic root of 2456317648 is about 1349.2575062930.

The spelling of 2456317648 in words is "two billion, four hundred fifty-six million, three hundred seventeen thousand, six hundred forty-eight".