315450236324442 has 16 divisors (see below), whose sum is σ = 651252100799232. Its totient is φ = 101758140749760.

The previous prime is 315450236324383. The next prime is 315450236324491. The reversal of 315450236324442 is 244423632054513.

It is a happy number.

It is a super-2 number, since 2×315450236324442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 315450236324391 and 315450236324400.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 847984506063 + ... + 847984506434.

It is an arithmetic number, because the mean of its divisors is an integer number (40703256299952).

Almost surely, 2^{315450236324442} is an apocalyptic number.

315450236324442 is an abundant number, since it is smaller than the sum of its proper divisors (335801864474790).

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

315450236324442 is a wasteful number, since it uses less digits than its factorization.

315450236324442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1695969012533.

The product of its (nonzero) digits is 8294400, while the sum is 48.

Adding to 315450236324442 its reverse (244423632054513), we get a palindrome (559873868378955).

The spelling of 315450236324442 in words is "three hundred fifteen trillion, four hundred fifty billion, two hundred thirty-six million, three hundred twenty-four thousand, four hundred forty-two".