250440212 has 12 divisors (see below), whose sum is σ = 478113216. Its totient is φ = 113836440.

The previous prime is 250440199. The next prime is 250440221. The reversal of 250440212 is 212044052.

It is a happy number.

It is a congruent number.

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, 2845868 + ... + 2845955.

It is an arithmetic number, because the mean of its divisors is an integer number (39842768).

Almost surely, 2^250440212 is an apocalyptic number.

250440212 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

250440212 is a deficient number, since it is larger than the sum of its proper divisors (227673004).

250440212 is a wasteful number, since it uses less digits than its factorization.

250440212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5691838 (or 5691836 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 250440212 is about 15825.3029038941. The cubic root of 250440212 is about 630.3300630422.

Adding to 250440212 its reverse (212044052), we get a palindrome (462484264).

The spelling of 250440212 in words is "two hundred fifty million, four hundred forty thousand, two hundred twelve".