315878040 has 96 divisors (see below), whose sum is σ = 1080658800. Its totient is φ = 79799040.

The previous prime is 315878029. The next prime is 315878041. The reversal of 315878040 is 40878513.

315878040 is a `hidden beast` number, since 31 + 587 + 8 + 0 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 315877986 and 315878004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315878041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16251 + ... + 29930.

Almost surely, 2^315878040 is an apocalyptic number.

315878040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

315878040 is an abundant number, since it is smaller than the sum of its proper divisors (764780760).

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

315878040 is a wasteful number, since it uses less digits than its factorization.

315878040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46217 (or 46210 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 315878040 is about 17772.9581105679. The cubic root of 315878040 is about 681.0408224605.

The spelling of 315878040 in words is "three hundred fifteen million, eight hundred seventy-eight thousand, forty".