250560000 has 400 divisors, whose sum is σ = 958755600. Its totient is φ = 64512000.

The previous prime is 250559989. The next prime is 250560019. The reversal of 250560000 is 65052.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 8639986 + ... + 8640014.

It is an arithmetic number, because the mean of its divisors is an integer number (2396889).

Almost surely, 2^250560000 is an apocalyptic number.

250560000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250560000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (479377800).

250560000 is an abundant number, since it is smaller than the sum of its proper divisors (708195600).

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

250560000 is an frugal number, since it uses more digits than its factorization.

250560000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 250560000 is about 15829.0871499275. The cubic root of 250560000 is about 630.4305446991.

The spelling of 250560000 in words is "two hundred fifty million, five hundred sixty thousand".