2439964836 has 24 divisors (see below), whose sum is σ = 6325835040. Its totient is φ = 813321576.

The previous prime is 2439964829. The next prime is 2439964841. The reversal of 2439964836 is 6384699342.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 11296026 + ... + 11296241.

It is an arithmetic number, because the mean of its divisors is an integer number (263576460).

Almost surely, 2^2439964836 is an apocalyptic number.

It is an amenable number.

2439964836 is an abundant number, since it is smaller than the sum of its proper divisors (3885870204).

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

2439964836 is a wasteful number, since it uses less digits than its factorization.

2439964836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22592280 (or 22592272 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The square root of 2439964836 is about 49396.0002024455. Note that the first 3 decimals coincide. The cubic root of 2439964836 is about 1346.2566322095.

It can be divided in two parts, 243996 and 4836, that added together give a 5-th power (248832 = 12⁵).

The spelling of 2439964836 in words is "two billion, four hundred thirty-nine million, nine hundred sixty-four thousand, eight hundred thirty-six".