315406365426 has 56 divisors (see below), whose sum is σ = 709719207084. Its totient is φ = 105079226400.

The previous prime is 315406365419. The next prime is 315406365467. The reversal of 315406365426 is 624563604513.

315406365426 is a `hidden beast` number, since 3 + 1 + 5 + 4 + 0 + 636 + 5 + 4 + 2 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 268598610225 + 46807755201 = 518265^2 + 216351^2 .

It is a super-2 number, since 2×315406365426² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 27 ways as a sum of consecutive naturals, for example, 2714760 + ... + 2828556.

Almost surely, 2^315406365426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315406365426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (354859603542).

315406365426 is an abundant number, since it is smaller than the sum of its proper divisors (394312841658).

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

315406365426 is a wasteful number, since it uses less digits than its factorization.

315406365426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115718 (or 115703 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 45.

Adding to 315406365426 its reverse (624563604513), we get a palindrome (939969969939).

The spelling of 315406365426 in words is "three hundred fifteen billion, four hundred six million, three hundred sixty-five thousand, four hundred twenty-six".