251242343223414 has 32 divisors (see below), whose sum is σ = 502685702256480. Its totient is φ = 83713947662592.

The previous prime is 251242343223413. The next prime is 251242343223457. The reversal of 251242343223414 is 414322343242152.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (251242343223413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410332842 + ... + 410944674.

It is an arithmetic number, because the mean of its divisors is an integer number (15708928195515).

Almost surely, 2^{251242343223414} is an apocalyptic number.

251242343223414 is an abundant number, since it is smaller than the sum of its proper divisors (251443359033066).

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

251242343223414 is a wasteful number, since it uses less digits than its factorization.

251242343223414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 639104.

The product of its digits is 1105920, while the sum is 42.

Adding to 251242343223414 its reverse (414322343242152), we get a palindrome (665564686465566).

The spelling of 251242343223414 in words is "two hundred fifty-one trillion, two hundred forty-two billion, three hundred forty-three million, two hundred twenty-three thousand, four hundred fourteen".