315403744644422 has 8 divisors (see below), whose sum is σ = 540692133676176. Its totient is φ = 135173033419032.

The previous prime is 315403744644421. The next prime is 315403744644433. The reversal of 315403744644422 is 224446447304513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315403744644421) 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 3 ways as a sum of consecutive naturals, for example, 11264419451573 + ... + 11264419451600.

It is an arithmetic number, because the mean of its divisors is an integer number (67586516709522).

Almost surely, 2^{315403744644422} is an apocalyptic number.

315403744644422 is a deficient number, since it is larger than the sum of its proper divisors (225288389031754).

315403744644422 is a wasteful number, since it uses less digits than its factorization.

315403744644422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22528838903182.

The product of its (nonzero) digits is 30965760, while the sum is 53.

The spelling of 315403744644422 in words is "three hundred fifteen trillion, four hundred three billion, seven hundred forty-four million, six hundred forty-four thousand, four hundred twenty-two".