250868736 has 132 divisors (see below), whose sum is σ = 733186272. Its totient is φ = 82612224.

The previous prime is 250868731. The next prime is 250868741. The reversal of 250868736 is 637868052.

250868736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (250868731) and next prime (250868741).

It is a junction number, because it is equal to n+sod(n) for n = 250868691 and 250868700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250868731) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1502125 + ... + 1502291.

Almost surely, 2^250868736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 250868736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (366593136).

250868736 is an abundant number, since it is smaller than the sum of its proper divisors (482317536).

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

250868736 is a wasteful number, since it uses less digits than its factorization.

250868736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 335 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 250868736 is about 15838.8363208918. The cubic root of 250868736 is about 630.6893738773.

The spelling of 250868736 in words is "two hundred fifty million, eight hundred sixty-eight thousand, seven hundred thirty-six".