315223334040 has 128 divisors (see below), whose sum is σ = 963022291200. Its totient is φ = 82522437120.

The previous prime is 315223334039. The next prime is 315223334093. The reversal of 315223334040 is 40433322513.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 315223333989 and 315223334007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3787191 + ... + 3869529.

It is an arithmetic number, because the mean of its divisors is an integer number (7523611650).

Almost surely, 2^315223334040 is an apocalyptic number.

315223334040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 315223334040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (481511145600).

315223334040 is an abundant number, since it is smaller than the sum of its proper divisors (647798957160).

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

315223334040 is a wasteful number, since it uses less digits than its factorization.

315223334040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82937 (or 82933 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

Adding to 315223334040 its reverse (40433322513), we get a palindrome (355656656553).

The spelling of 315223334040 in words is "three hundred fifteen billion, two hundred twenty-three million, three hundred thirty-four thousand, forty".