250047240 has 64 divisors (see below), whose sum is σ = 774351360. Its totient is φ = 64527360.

The previous prime is 250047227. The next prime is 250047241. The reversal of 250047240 is 42740052.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 250047240.

It is not an unprimeable number, because it can be changed into a prime (250047241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29889 + ... + 37328.

It is an arithmetic number, because the mean of its divisors is an integer number (12099240).

Almost surely, 2^250047240 is an apocalyptic number.

250047240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250047240 is an abundant number, since it is smaller than the sum of its proper divisors (524304120).

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

250047240 is a wasteful number, since it uses less digits than its factorization.

250047240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67262 (or 67258 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 24.

The square root of 250047240 is about 15812.8820902453. The cubic root of 250047240 is about 630.0002015620. Note that the first 3 decimals are identical.

Adding to 250047240 its reverse (42740052), we get a palindrome (292787292).

The spelling of 250047240 in words is "two hundred fifty million, forty-seven thousand, two hundred forty".