250861400 has 96 divisors (see below), whose sum is σ = 601159440. Its totient is φ = 97320960.

The previous prime is 250861381. The next prime is 250861409. The reversal of 250861400 is 4168052.

250861400 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 250861400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250861409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1299704 + ... + 1299896.

Almost surely, 2^250861400 is an apocalyptic number.

250861400 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 250861400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300579720).

250861400 is an abundant number, since it is smaller than the sum of its proper divisors (350298040).

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

250861400 is a wasteful number, since it uses less digits than its factorization.

250861400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 250861400 is about 15838.6047365290. The cubic root of 250861400 is about 630.6832261970.

The spelling of 250861400 in words is "two hundred fifty million, eight hundred sixty-one thousand, four hundred".