2456139712 has 56 divisors (see below), whose sum is σ = 5255383952. Its totient is φ = 1132185600.

The previous prime is 2456139701. The next prime is 2456139713. The reversal of 2456139712 is 2179316542.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2456139713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973012 + ... + 975532.

It is an arithmetic number, because the mean of its divisors is an integer number (93846142).

Almost surely, 2^2456139712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2456139712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2627691976).

2456139712 is an abundant number, since it is smaller than the sum of its proper divisors (2799244240).

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

2456139712 is a wasteful number, since it uses less digits than its factorization.

2456139712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3717 (or 3707 counting only the distinct ones).

The product of its digits is 90720, while the sum is 40.

The square root of 2456139712 is about 49559.4563327727. The cubic root of 2456139712 is about 1349.2249253710.

The spelling of 2456139712 in words is "two billion, four hundred fifty-six million, one hundred thirty-nine thousand, seven hundred twelve".