250285140 has 216 divisors, whose sum is σ = 916729632. Its totient is φ = 57153600.

The previous prime is 250285117. The next prime is 250285141. The reversal of 250285140 is 41582052.

It is a happy number.

250285140 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250285141) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 237615 + ... + 238665.

Almost surely, 2^250285140 is an apocalyptic number.

250285140 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 250285140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (458364816).

250285140 is an abundant number, since it is smaller than the sum of its proper divisors (666444492).

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

250285140 is a wasteful number, since it uses less digits than its factorization.

250285140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1089 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

The square root of 250285140 is about 15820.4026497431. The cubic root of 250285140 is about 630.1999365415.

It can be divided in two parts, 250 and 285140, that added together give a triangular number (285390 = T₇₅₅).

The spelling of 250285140 in words is "two hundred fifty million, two hundred eighty-five thousand, one hundred forty".