214640250 has 64 divisors (see below), whose sum is σ = 584468352. Its totient is φ = 52032000.

The previous prime is 214640213. The next prime is 214640303. The reversal of 214640250 is 52046412.

It is a self number, because there is not a number n which added to its sum of digits gives 214640250.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4759 + ... + 21258.

It is an arithmetic number, because the mean of its divisors is an integer number (9132318).

Almost surely, 2^214640250 is an apocalyptic number.

214640250 is an abundant number, since it is smaller than the sum of its proper divisors (369828102).

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

214640250 is a wasteful number, since it uses less digits than its factorization.

214640250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26048 (or 26038 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 214640250 is about 14650.6057895228. The cubic root of 214640250 is about 598.7383210254.

Adding to 214640250 its reverse (52046412), we get a palindrome (266686662).

The spelling of 214640250 in words is "two hundred fourteen million, six hundred forty thousand, two hundred fifty".