2439007720 has 16 divisors (see below), whose sum is σ = 5487767460. Its totient is φ = 975603072.

The previous prime is 2439007693. The next prime is 2439007721. The reversal of 2439007720 is 277009342.

It can be written as a sum of positive squares in 2 ways, for example, as 2438186884 + 820836 = 49378^2 + 906^2 .

It is not an unprimeable number, because it can be changed into a prime (2439007721) 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, 30487557 + ... + 30487636.

Almost surely, 2^2439007720 is an apocalyptic number.

2439007720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2439007720 is an abundant number, since it is smaller than the sum of its proper divisors (3048759740).

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

2439007720 is a wasteful number, since it uses less digits than its factorization.

2439007720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60975204 (or 60975200 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 2439007720 is about 49386.3110588349. The cubic root of 2439007720 is about 1346.0805788142.

The spelling of 2439007720 in words is "two billion, four hundred thirty-nine million, seven thousand, seven hundred twenty".