250304420 has 24 divisors (see below), whose sum is σ = 530746944. Its totient is φ = 99148896.

The previous prime is 250304399. The next prime is 250304477. The reversal of 250304420 is 24403052.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 250304392 and 250304401.

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 7 ways as a sum of consecutive naturals, for example, 58694 + ... + 62813.

It is an arithmetic number, because the mean of its divisors is an integer number (22114456).

Almost surely, 2^250304420 is an apocalyptic number.

250304420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

250304420 is an abundant number, since it is smaller than the sum of its proper divisors (280442524).

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

250304420 is a wasteful number, since it uses less digits than its factorization.

250304420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121619 (or 121617 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 250304420 is about 15821.0119777466. The cubic root of 250304420 is about 630.2161180093.

Adding to 250304420 its reverse (24403052), we get a palindrome (274707472).

The spelling of 250304420 in words is "two hundred fifty million, three hundred four thousand, four hundred twenty".