250540680 has 64 divisors (see below), whose sum is σ = 809444160. Its totient is φ = 61671168.

The previous prime is 250540651. The next prime is 250540687. The reversal of 250540680 is 86045052.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (250540687) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78742 + ... + 81861.

It is an arithmetic number, because the mean of its divisors is an integer number (12647565).

Almost surely, 2^250540680 is an apocalyptic number.

250540680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250540680 is an abundant number, since it is smaller than the sum of its proper divisors (558903480).

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

250540680 is a wasteful number, since it uses less digits than its factorization.

250540680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160630 (or 160626 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The square root of 250540680 is about 15828.4768692379. The cubic root of 250540680 is about 630.4143406879.

The spelling of 250540680 in words is "two hundred fifty million, five hundred forty thousand, six hundred eighty".