250400000 has 108 divisors (see below), whose sum is σ = 626733324. Its totient is φ = 99840000.

The previous prime is 250399957. The next prime is 250400047. The reversal of 250400000 is 4052.

250400000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 248882176 + 1517824 = 15776^2 + 1232^2 .

It is a sliding number, since 250400000 = 400000 + 250000000 and 1/400000 + 1/250000000 = 0.00000250400000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 799844 + ... + 800156.

Almost surely, 2^250400000 is an apocalyptic number.

250400000 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 250400000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313366662).

250400000 is an abundant number, since it is smaller than the sum of its proper divisors (376333324).

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

250400000 is an frugal number, since it uses more digits than its factorization.

250400000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 11.

The square root of 250400000 is about 15824.0323558820. The cubic root of 250400000 is about 630.2963248644.

Adding to 250400000 its reverse (4052), we get a palindrome (250404052).

It can be divided in two parts, 250 and 400000, that multiplied together give a 8-th power (100000000 = 10⁸).

The spelling of 250400000 in words is "two hundred fifty million, four hundred thousand".