318465378 has 128 divisors (see below), whose sum is σ = 889159680. Its totient is φ = 82080000.

The previous prime is 318465377. The next prime is 318465419. The reversal of 318465378 is 873564813.

318465378 is a `hidden beast` number, since 31 + 84 + 6 + 537 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (318465377) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 793978 + ... + 794378.

It is an arithmetic number, because the mean of its divisors is an integer number (6946560).

Almost surely, 2^318465378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 318465378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (444579840).

318465378 is an abundant number, since it is smaller than the sum of its proper divisors (570694302).

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

318465378 is a wasteful number, since it uses less digits than its factorization.

318465378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 621 (or 615 counting only the distinct ones).

The product of its digits is 483840, while the sum is 45.

The square root of 318465378 is about 17845.5982808086. The cubic root of 318465378 is about 682.8952233293.

The spelling of 318465378 in words is "three hundred eighteen million, four hundred sixty-five thousand, three hundred seventy-eight".