2540474860 has 72 divisors (see below), whose sum is σ = 6701859360. Its totient is φ = 791831040.

The previous prime is 2540474851. The next prime is 2540474861. The reversal of 2540474860 is 684740452.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2540474861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58045 + ... + 91924.

It is an arithmetic number, because the mean of its divisors is an integer number (93081380).

Almost surely, 2^2540474860 is an apocalyptic number.

2540474860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2540474860 is an abundant number, since it is smaller than the sum of its proper divisors (4161384500).

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

2540474860 is a wasteful number, since it uses less digits than its factorization.

2540474860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150007 (or 149994 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The square root of 2540474860 is about 50403.1235143220. The cubic root of 2540474860 is about 1364.4940111381.

The spelling of 2540474860 in words is "two billion, five hundred forty million, four hundred seventy-four thousand, eight hundred sixty".