315104240 has 40 divisors (see below), whose sum is σ = 799221168. Its totient is φ = 114583040.

The previous prime is 315104221. The next prime is 315104269. The reversal of 315104240 is 42401513.

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

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178157 + ... + 179916.

Almost surely, 2^315104240 is an apocalyptic number.

It is an amenable number.

315104240 is an abundant number, since it is smaller than the sum of its proper divisors (484116928).

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

315104240 is a wasteful number, since it uses less digits than its factorization.

315104240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358097 (or 358091 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 315104240 is about 17751.1757357083. The cubic root of 315104240 is about 680.4842571340.

Adding to 315104240 its reverse (42401513), we get a palindrome (357505753).

The spelling of 315104240 in words is "three hundred fifteen million, one hundred four thousand, two hundred forty".