2439868679844 has 48 divisors (see below), whose sum is σ = 5771242912512. Its totient is φ = 802116732672.

The previous prime is 2439868679821. The next prime is 2439868679863. The reversal of 2439868679844 is 4489768689342.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2439868679844.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33859077 + ... + 33931059.

It is an arithmetic number, because the mean of its divisors is an integer number (120234227344).

Almost surely, 2^{2439868679844} is an apocalyptic number.

It is an amenable number.

2439868679844 is an abundant number, since it is smaller than the sum of its proper divisors (3331374232668).

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

2439868679844 is a wasteful number, since it uses less digits than its factorization.

2439868679844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110756 (or 110754 counting only the distinct ones).

The product of its digits is 4013162496, while the sum is 78.

The spelling of 2439868679844 in words is "two trillion, four hundred thirty-nine billion, eight hundred sixty-eight million, six hundred seventy-nine thousand, eight hundred forty-four".