316541640 has 64 divisors (see below), whose sum is σ = 990921600. Its totient is φ = 80740352.

The previous prime is 316541611. The next prime is 316541647. The reversal of 316541640 is 46145613.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 316541598 and 316541607.

It is not an unprimeable number, because it can be changed into a prime (316541647) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 54585 + ... + 60104.

It is an arithmetic number, because the mean of its divisors is an integer number (15483150).

Almost surely, 2^316541640 is an apocalyptic number.

316541640 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

316541640 is an abundant number, since it is smaller than the sum of its proper divisors (674379960).

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

316541640 is a wasteful number, since it uses less digits than its factorization.

316541640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114726 (or 114722 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 316541640 is about 17791.6171271754. The cubic root of 316541640 is about 681.5174015219.

The spelling of 316541640 in words is "three hundred sixteen million, five hundred forty-one thousand, six hundred forty".