2389926560 has 96 divisors (see below), whose sum is σ = 6541420032. Its totient is φ = 808151040.

The previous prime is 2389926559. The next prime is 2389926563. The reversal of 2389926560 is 656299832.

It is a junction number, because it is equal to n+sod(n) for n = 2389926499 and 2389926508.

It is not an unprimeable number, because it can be changed into a prime (2389926563) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67145 + ... + 96375.

It is an arithmetic number, because the mean of its divisors is an integer number (68139792).

Almost surely, 2^2389926560 is an apocalyptic number.

2389926560 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 2389926560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3270710016).

2389926560 is an abundant number, since it is smaller than the sum of its proper divisors (4151493472).

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

2389926560 is a wasteful number, since it uses less digits than its factorization.

2389926560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29326 (or 29318 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 50.

The square root of 2389926560 is about 48886.8751302433. The cubic root of 2389926560 is about 1336.9900808687.

The spelling of 2389926560 in words is "two billion, three hundred eighty-nine million, nine hundred twenty-six thousand, five hundred sixty".