2456993868 has 72 divisors (see below), whose sum is σ = 6778409904. Its totient is φ = 690480000.

The previous prime is 2456993863. The next prime is 2456993879. The reversal of 2456993868 is 8683996542.

It is not an unprimeable number, because it can be changed into a prime (2456993863) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1618 + ... + 70118.

It is an arithmetic number, because the mean of its divisors is an integer number (94144582).

Almost surely, 2^2456993868 is an apocalyptic number.

2456993868 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2456993868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3389204952).

2456993868 is an abundant number, since it is smaller than the sum of its proper divisors (4321416036).

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

2456993868 is a wasteful number, since it uses less digits than its factorization.

2456993868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68583 (or 68574 counting only the distinct ones).

The product of its digits is 22394880, while the sum is 60.

The square root of 2456993868 is about 49568.0730712825. The cubic root of 2456993868 is about 1349.3813110185.

The spelling of 2456993868 in words is "two billion, four hundred fifty-six million, nine hundred ninety-three thousand, eight hundred sixty-eight".