250575240 has 128 divisors (see below), whose sum is σ = 803727360. Its totient is φ = 62275584.

The previous prime is 250575239. The next prime is 250575277. The reversal of 250575240 is 42575052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 250575198 and 250575207.

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 31 ways as a sum of consecutive naturals, for example, 229977 + ... + 231063.

It is an arithmetic number, because the mean of its divisors is an integer number (6279120).

Almost surely, 2^250575240 is an apocalyptic number.

250575240 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 250575240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (401863680).

250575240 is an abundant number, since it is smaller than the sum of its proper divisors (553152120).

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

250575240 is a wasteful number, since it uses less digits than its factorization.

250575240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 14000, while the sum is 30.

The square root of 250575240 is about 15829.5685348654. The cubic root of 250575240 is about 630.4433261576.

The spelling of 250575240 in words is "two hundred fifty million, five hundred seventy-five thousand, two hundred forty".