316465380 has 480 divisors, whose sum is σ = 1287982080. Its totient is φ = 63141120.

The previous prime is 316465367. The next prime is 316465393. The reversal of 316465380 is 83564613.

316465380 is a `hidden beast` number, since 3 + 1 + 646 + 5 + 3 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (316465367) and next prime (316465393).

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 5363791 + ... + 5363849.

It is an arithmetic number, because the mean of its divisors is an integer number (2683296).

Almost surely, 2^316465380 is an apocalyptic number.

316465380 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 316465380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643991040).

316465380 is an abundant number, since it is smaller than the sum of its proper divisors (971516700).

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

316465380 is a wasteful number, since it uses less digits than its factorization.

316465380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 316465380 is about 17789.4738539396. The cubic root of 316465380 is about 681.4626676052.

The spelling of 316465380 in words is "three hundred sixteen million, four hundred sixty-five thousand, three hundred eighty".