250144740 has 48 divisors (see below), whose sum is σ = 778229760. Its totient is φ = 66705120.

The previous prime is 250144729. The next prime is 250144831. The reversal of 250144740 is 47441052.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 15 ways as a sum of consecutive naturals, for example, 231076 + ... + 232155.

It is an arithmetic number, because the mean of its divisors is an integer number (16213120).

Almost surely, 2^250144740 is an apocalyptic number.

250144740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250144740 is an abundant number, since it is smaller than the sum of its proper divisors (528085020).

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

250144740 is a wasteful number, since it uses less digits than its factorization.

250144740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463249 (or 463241 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 27.

The square root of 250144740 is about 15815.9647192323. The cubic root of 250144740 is about 630.0820754747.

Adding to 250144740 its reverse (47441052), we get a palindrome (297585792).

The spelling of 250144740 in words is "two hundred fifty million, one hundred forty-four thousand, seven hundred forty".