2559742860 has 48 divisors (see below), whose sum is σ = 7184872800. Its totient is φ = 680922624.

The previous prime is 2559742847. The next prime is 2559742879. The reversal of 2559742860 is 682479552.

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, 27615 + ... + 76694.

It is an arithmetic number, because the mean of its divisors is an integer number (149684850).

Almost surely, 2^2559742860 is an apocalyptic number.

2559742860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2559742860 is an abundant number, since it is smaller than the sum of its proper divisors (4625129940).

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

2559742860 is a wasteful number, since it uses less digits than its factorization.

2559742860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104730 (or 104728 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 2559742860 is about 50593.9014111385. The cubic root of 2559742860 is about 1367.9349533895.

The spelling of 2559742860 in words is "two billion, five hundred fifty-nine million, seven hundred forty-two thousand, eight hundred sixty".