1214440250 has 64 divisors (see below), whose sum is σ = 2454416640. Its totient is φ = 448571200.

The previous prime is 1214440229. The next prime is 1214440289. The reversal of 1214440250 is 520444121.

It is a Harshad number since it is a multiple of its sum of digits (23).

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, 163109 + ... + 170391.

It is an arithmetic number, because the mean of its divisors is an integer number (38350260).

Almost surely, 2^1214440250 is an apocalyptic number.

1214440250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1214440250 is an abundant number, since it is smaller than the sum of its proper divisors (1239976390).

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

1214440250 is a wasteful number, since it uses less digits than its factorization.

1214440250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352 (or 7342 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 1214440250 is about 34848.8199226315. The cubic root of 1214440250 is about 1066.9041002481.

Adding to 1214440250 its reverse (520444121), we get a palindrome (1734884371).

The spelling of 1214440250 in words is "one billion, two hundred fourteen million, four hundred forty thousand, two hundred fifty".