250530040 has 64 divisors (see below), whose sum is σ = 582357600. Its totient is φ = 96940032.

The previous prime is 250530031. The next prime is 250530079. The reversal of 250530040 is 40035052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 193716 + ... + 195004.

Almost surely, 2^250530040 is an apocalyptic number.

250530040 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 250530040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291178800).

250530040 is an abundant number, since it is smaller than the sum of its proper divisors (331827560).

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

250530040 is a wasteful number, since it uses less digits than its factorization.

250530040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1452 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 19.

The square root of 250530040 is about 15828.1407625785. The cubic root of 250530040 is about 630.4054163839.

Adding to 250530040 its reverse (40035052), we get a palindrome (290565092).

The spelling of 250530040 in words is "two hundred fifty million, five hundred thirty thousand, forty".