315040442020 has 48 divisors (see below), whose sum is σ = 677800545408. Its totient is φ = 122928208640.

The previous prime is 315040441987. The next prime is 315040442021. The reversal of 315040442020 is 20244040513.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (315040442021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9369759 + ... + 9403321.

It is an arithmetic number, because the mean of its divisors is an integer number (14120844696).

Almost surely, 2^315040442020 is an apocalyptic number.

It is an amenable number.

315040442020 is an abundant number, since it is smaller than the sum of its proper divisors (362760103388).

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

315040442020 is a wasteful number, since it uses less digits than its factorization.

315040442020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45060 (or 45058 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 315040442020 its reverse (20244040513), we get a palindrome (335284482533).

The spelling of 315040442020 in words is "three hundred fifteen billion, forty million, four hundred forty-two thousand, twenty".