2501540860 has 48 divisors (see below), whose sum is σ = 6465525696. Its totient is φ = 791695872.

The previous prime is 2501540849. The next prime is 2501540879. The reversal of 2501540860 is 680451052.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685417 + ... + 689056.

It is an arithmetic number, because the mean of its divisors is an integer number (134698452).

Almost surely, 2^2501540860 is an apocalyptic number.

2501540860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501540860 is an abundant number, since it is smaller than the sum of its proper divisors (3963984836).

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

2501540860 is a wasteful number, since it uses less digits than its factorization.

2501540860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1374502 (or 1374500 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 2501540860 is about 50015.4062264819. The cubic root of 2501540860 is about 1357.4875868660.

The spelling of 2501540860 in words is "two billion, five hundred one million, five hundred forty thousand, eight hundred sixty".