2540266254 has 12 divisors (see below), whose sum is σ = 5503910256. Its totient is φ = 846755412.

The previous prime is 2540266229. The next prime is 2540266273. The reversal of 2540266254 is 4526620452.

2540266254 is a `hidden beast` number, since 2 + 5 + 4 + 0 + 26 + 625 + 4 = 666.

2540266254 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2540266254² = 12905905282422385032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70562934 + ... + 70562969.

It is an arithmetic number, because the mean of its divisors is an integer number (458659188).

Almost surely, 2^2540266254 is an apocalyptic number.

2540266254 is an abundant number, since it is smaller than the sum of its proper divisors (2963644002).

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

2540266254 is a wasteful number, since it uses less digits than its factorization.

2540266254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141125911 (or 141125908 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

The square root of 2540266254 is about 50401.0540961199. The cubic root of 2540266254 is about 1364.4566625524.

The spelling of 2540266254 in words is "two billion, five hundred forty million, two hundred sixty-six thousand, two hundred fifty-four".