2540017255 has 16 divisors (see below), whose sum is σ = 3134837664. Its totient is φ = 1974291840.

The previous prime is 2540017241. The next prime is 2540017297. The reversal of 2540017255 is 5527100452.

It is not a de Polignac number, because 2540017255 - 2¹¹ = 2540015207 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 126240 + ... + 144970.

It is an arithmetic number, because the mean of its divisors is an integer number (195927354).

Almost surely, 2^2540017255 is an apocalyptic number.

2540017255 is a deficient number, since it is larger than the sum of its proper divisors (594820409).

2540017255 is a wasteful number, since it uses less digits than its factorization.

2540017255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19506.

The product of its (nonzero) digits is 14000, while the sum is 31.

The square root of 2540017255 is about 50398.5838590729. The cubic root of 2540017255 is about 1364.4120793720.

The spelling of 2540017255 in words is "two billion, five hundred forty million, seventeen thousand, two hundred fifty-five".