316204640 has 48 divisors (see below), whose sum is σ = 753928560. Its totient is φ = 125314560.

The previous prime is 316204601. The next prime is 316204657. The reversal of 316204640 is 46402613.

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, 8375 + ... + 26505.

It is an arithmetic number, because the mean of its divisors is an integer number (15706845).

Almost surely, 2^316204640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 316204640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (376964280).

316204640 is an abundant number, since it is smaller than the sum of its proper divisors (437723920).

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

316204640 is a wasteful number, since it uses less digits than its factorization.

316204640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18255 (or 18247 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 316204640 is about 17782.1438527530. The cubic root of 316204640 is about 681.2754608221.

The spelling of 316204640 in words is "three hundred sixteen million, two hundred four thousand, six hundred forty".