2389730720 has 96 divisors (see below), whose sum is σ = 6096701520. Its totient is φ = 879943680.

The previous prime is 2389730713. The next prime is 2389730737. The reversal of 2389730720 is 270379832.

It can be written as a sum of positive squares in 8 ways, for example, as 466732816 + 1922997904 = 21604^2 + 43852^2 .

It is a super-2 number, since 2×2389730720² = 11421625828223436800, which contains 22 as substring.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 874316 + ... + 877044.

Almost surely, 2^2389730720 is an apocalyptic number.

2389730720 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 2389730720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3048350760).

2389730720 is an abundant number, since it is smaller than the sum of its proper divisors (3706970800).

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

2389730720 is a wasteful number, since it uses less digits than its factorization.

2389730720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3178 (or 3170 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2389730720 is about 48884.8720976132. The cubic root of 2389730720 is about 1336.9535604593.

The spelling of 2389730720 in words is "two billion, three hundred eighty-nine million, seven hundred thirty thousand, seven hundred twenty".