312440234544422 has 32 divisors (see below), whose sum is σ = 477744764636160. Its totient is φ = 153220535380800.

The previous prime is 312440234544181. The next prime is 312440234544469. The reversal of 312440234544422 is 224445432044213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36457763 + ... + 44204625.

It is an arithmetic number, because the mean of its divisors is an integer number (14929523894880).

Almost surely, 2^{312440234544422} is an apocalyptic number.

312440234544422 is a deficient number, since it is larger than the sum of its proper divisors (165304530091738).

312440234544422 is a wasteful number, since it uses less digits than its factorization.

312440234544422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7748708.

The product of its (nonzero) digits is 2949120, while the sum is 44.

Adding to 312440234544422 its reverse (224445432044213), we get a palindrome (536885666588635).

The spelling of 312440234544422 in words is "three hundred twelve trillion, four hundred forty billion, two hundred thirty-four million, five hundred forty-four thousand, four hundred twenty-two".