2439900320 has 192 divisors, whose sum is σ = 6822869760. Its totient is φ = 817689600.

The previous prime is 2439900317. The next prime is 2439900377. The reversal of 2439900320 is 230099342.

It is a super-2 number, since 2×2439900320² = 11906227143072204800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3866405 + ... + 3867035.

It is an arithmetic number, because the mean of its divisors is an integer number (35535780).

Almost surely, 2^2439900320 is an apocalyptic number.

2439900320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2439900320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3411434880).

2439900320 is an abundant number, since it is smaller than the sum of its proper divisors (4382969440).

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

2439900320 is a wasteful number, since it uses less digits than its factorization.

2439900320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 2439900320 is about 49395.3471493014. The cubic root of 2439900320 is about 1346.2447664840.

Adding to 2439900320 its reverse (230099342), we get a palindrome (2669999662).

The spelling of 2439900320 in words is "two billion, four hundred thirty-nine million, nine hundred thousand, three hundred twenty".