2439608840 has 16 divisors (see below), whose sum is σ = 5489119980. Its totient is φ = 975843520.

The previous prime is 2439608819. The next prime is 2439608849. The reversal of 2439608840 is 488069342.

It can be written as a sum of positive squares in 2 ways, for example, as 2112505444 + 327103396 = 45962^2 + 18086^2 .

It is a super-2 number, since 2×2439608840² = 11903382584412291200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2439608791 and 2439608800.

It is not an unprimeable number, because it can be changed into a prime (2439608849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30495071 + ... + 30495150.

Almost surely, 2^2439608840 is an apocalyptic number.

2439608840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2439608840 is an abundant number, since it is smaller than the sum of its proper divisors (3049511140).

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

2439608840 is a wasteful number, since it uses less digits than its factorization.

2439608840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60990232 (or 60990228 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 2439608840 is about 49392.3965808504. The cubic root of 2439608840 is about 1346.1911551338.

The spelling of 2439608840 in words is "two billion, four hundred thirty-nine million, six hundred eight thousand, eight hundred forty".