400050250 has 16 divisors (see below), whose sum is σ = 748894536. Its totient is φ = 160020000.

The previous prime is 400050227. The next prime is 400050269. The reversal of 400050250 is 52050004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 200760561 + 199289689 = 14169^2 + 14117^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799851 + ... + 800350.

Almost surely, 2^400050250 is an apocalyptic number.

400050250 is a deficient number, since it is larger than the sum of its proper divisors (348844286).

400050250 is a wasteful number, since it uses less digits than its factorization.

400050250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600218 (or 1600208 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 16.

The square root of 400050250 is about 20001.2562105484. The cubic root of 400050250 is about 736.8371522000.

The spelling of 400050250 in words is "four hundred million, fifty thousand, two hundred fifty".