250996560 has 40 divisors (see below), whose sum is σ = 778090080. Its totient is φ = 66932352.

The previous prime is 250996519. The next prime is 250996583. The reversal of 250996560 is 65699052.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 522670 + ... + 523149.

It is an arithmetic number, because the mean of its divisors is an integer number (19452252).

Almost surely, 2^250996560 is an apocalyptic number.

250996560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250996560 is an abundant number, since it is smaller than the sum of its proper divisors (527093520).

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

250996560 is a wasteful number, since it uses less digits than its factorization.

250996560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1045835 (or 1045829 counting only the distinct ones).

The product of its (nonzero) digits is 145800, while the sum is 42.

The square root of 250996560 is about 15842.8709519455. The cubic root of 250996560 is about 630.7964731137.

The spelling of 250996560 in words is "two hundred fifty million, nine hundred ninety-six thousand, five hundred sixty".