2560274320 has 80 divisors (see below), whose sum is σ = 6372360000. Its totient is φ = 953731584.

The previous prime is 2560274291. The next prime is 2560274359. The reversal of 2560274320 is 234720652.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75406 + ... + 103954.

It is an arithmetic number, because the mean of its divisors is an integer number (79654500).

Almost surely, 2^2560274320 is an apocalyptic number.

2560274320 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 2560274320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3186180000).

2560274320 is an abundant number, since it is smaller than the sum of its proper divisors (3812085680).

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

2560274320 is a wasteful number, since it uses less digits than its factorization.

2560274320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28640 (or 28634 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 2560274320 is about 50599.1533526007. The cubic root of 2560274320 is about 1368.0296181588.

Adding to 2560274320 its reverse (234720652), we get a palindrome (2794994972).

The spelling of 2560274320 in words is "two billion, five hundred sixty million, two hundred seventy-four thousand, three hundred twenty".