250016140 has 48 divisors (see below), whose sum is σ = 576162720. Its totient is φ = 90375680.

The previous prime is 250016131. The next prime is 250016149. The reversal of 250016140 is 41610052.

It is an interprime number because it is at equal distance from previous prime (250016131) and next prime (250016149).

It is not an unprimeable number, because it can be changed into a prime (250016149) 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, 34776 + ... + 41344.

It is an arithmetic number, because the mean of its divisors is an integer number (12003390).

Almost surely, 2^250016140 is an apocalyptic number.

250016140 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 250016140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (288081360).

250016140 is an abundant number, since it is smaller than the sum of its proper divisors (326146580).

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

250016140 is a wasteful number, since it uses less digits than its factorization.

250016140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6762 (or 6760 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 250016140 is about 15811.8986842188. The cubic root of 250016140 is about 629.9740814062.

Adding to 250016140 its reverse (41610052), we get a palindrome (291626192).

The spelling of 250016140 in words is "two hundred fifty million, sixteen thousand, one hundred forty".