250140424 has 16 divisors (see below), whose sum is σ = 481689900. Its totient is φ = 121689792.

The previous prime is 250140419. The next prime is 250140437. The reversal of 250140424 is 424041052.

It is a happy number.

250140424 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 238702500 + 11437924 = 15450^2 + 3382^2 .

It is a junction number, because it is equal to n+sod(n) for n = 250140395 and 250140404.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422239 + ... + 422830.

Almost surely, 2^250140424 is an apocalyptic number.

It is an amenable number.

250140424 is a deficient number, since it is larger than the sum of its proper divisors (231549476).

250140424 is a wasteful number, since it uses less digits than its factorization.

250140424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845112 (or 845108 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 250140424 is about 15815.8282742321. The cubic root of 250140424 is about 630.0784516395.

Adding to 250140424 its reverse (424041052), we get a palindrome (674181476).

The spelling of 250140424 in words is "two hundred fifty million, one hundred forty thousand, four hundred twenty-four".