250140 has 48 divisors (see below), whose sum is σ = 766080. Its totient is φ = 60480.

The previous prime is 250123. The next prime is 250147. The reversal of 250140 is 41052.

250140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250147) by changing a digit.

250140 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471 + ... + 849.

It is an arithmetic number, because the mean of its divisors is an integer number (15960).

2²⁵⁰¹⁴⁰ is an apocalyptic number.

250140 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 250140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383040).

250140 is an abundant number, since it is smaller than the sum of its proper divisors (515940).

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

250140 is a wasteful number, since it uses less digits than its factorization.

250140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402 (or 400 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 250140 is about 500.1399804055. The cubic root of 250140 is about 63.0078095635.

Adding to 250140 its reverse (41052), we get a palindrome (291192).

The spelling of 250140 in words is "two hundred fifty thousand, one hundred forty".