2501800560 has 160 divisors (see below), whose sum is σ = 9848417280. Its totient is φ = 571836672.

The previous prime is 2501800531. The next prime is 2501800571. The reversal of 2501800560 is 650081052.

2501800560 is a `hidden beast` number, since 25 + 0 + 1 + 80 + 0 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 67612 + ... + 97851.

It is an arithmetic number, because the mean of its divisors is an integer number (61552608).

Almost surely, 2^2501800560 is an apocalyptic number.

2501800560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2501800560 is an abundant number, since it is smaller than the sum of its proper divisors (7346616720).

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

2501800560 is a wasteful number, since it uses less digits than its factorization.

2501800560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165492 (or 165480 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 2501800560 is about 50018.0023591507. The cubic root of 2501800560 is about 1357.5345615571.

The spelling of 2501800560 in words is "two billion, five hundred one million, eight hundred thousand, five hundred sixty".