315105040 has 40 divisors (see below), whose sum is σ = 733488768. Its totient is φ = 125892480.

The previous prime is 315105031. The next prime is 315105041. The reversal of 315105040 is 40501513.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 315104999 and 315105017.

It is not an unprimeable number, because it can be changed into a prime (315105041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86455 + ... + 90025.

Almost surely, 2^315105040 is an apocalyptic number.

It is an amenable number.

315105040 is an abundant number, since it is smaller than the sum of its proper divisors (418383728).

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

315105040 is a wasteful number, since it uses less digits than its factorization.

315105040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4687 (or 4681 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 315105040 is about 17751.1982694127. The cubic root of 315105040 is about 680.4848330143.

Adding to 315105040 its reverse (40501513), we get a palindrome (355606553).

The spelling of 315105040 in words is "three hundred fifteen million, one hundred five thousand, forty".