2560123254 has 64 divisors (see below), whose sum is σ = 5642638848. Its totient is φ = 769574400.

The previous prime is 2560123249. The next prime is 2560123273. The reversal of 2560123254 is 4523210652.

It is a congruent number.

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, 623749 + ... + 627839.

It is an arithmetic number, because the mean of its divisors is an integer number (88166232).

Almost surely, 2^2560123254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2560123254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2821319424).

2560123254 is an abundant number, since it is smaller than the sum of its proper divisors (3082515594).

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

2560123254 is a wasteful number, since it uses less digits than its factorization.

2560123254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 2560123254 is about 50597.6605585673. The cubic root of 2560123254 is about 1368.0027112990.

The spelling of 2560123254 in words is "two billion, five hundred sixty million, one hundred twenty-three thousand, two hundred fifty-four".