250020240 has 80 divisors (see below), whose sum is σ = 815870400. Its totient is φ = 63161856.

The previous prime is 250020203. The next prime is 250020257. The reversal of 250020240 is 42020052.

250020240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22855 + ... + 31974.

It is an arithmetic number, because the mean of its divisors is an integer number (10198380).

Almost surely, 2^250020240 is an apocalyptic number.

250020240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250020240 is an abundant number, since it is smaller than the sum of its proper divisors (565850160).

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

250020240 is a wasteful number, since it uses less digits than its factorization.

250020240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54864 (or 54858 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 250020240 is about 15812.0283328863. The cubic root of 250020240 is about 629.9775250234.

Adding to 250020240 its reverse (42020052), we get a palindrome (292040292).

The spelling of 250020240 in words is "two hundred fifty million, twenty thousand, two hundred forty".