250320740 has 12 divisors (see below), whose sum is σ = 525673596. Its totient is φ = 100128288.

The previous prime is 250320737. The next prime is 250320761. The reversal of 250320740 is 47023052.

It can be written as a sum of positive squares in 2 ways, for example, as 82773604 + 167547136 = 9098^2 + 12944^2 .

It is a nialpdrome in base 16.

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 3 ways as a sum of consecutive naturals, for example, 6257999 + ... + 6258038.

It is an arithmetic number, because the mean of its divisors is an integer number (43806133).

Almost surely, 2^250320740 is an apocalyptic number.

250320740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250320740 is an abundant number, since it is smaller than the sum of its proper divisors (275352856).

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

250320740 is a wasteful number, since it uses less digits than its factorization.

250320740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12516046 (or 12516044 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 23.

The square root of 250320740 is about 15821.5277391281. The cubic root of 250320740 is about 630.2298145360.

Adding to 250320740 its reverse (47023052), we get a palindrome (297343792).

The spelling of 250320740 in words is "two hundred fifty million, three hundred twenty thousand, seven hundred forty".