316514640 has 160 divisors (see below), whose sum is σ = 1063681920. Its totient is φ = 77395968.

The previous prime is 316514617. The next prime is 316514651. The reversal of 316514640 is 46415613.

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 = 316514598 and 316514607.

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 31 ways as a sum of consecutive naturals, for example, 714259 + ... + 714701.

It is an arithmetic number, because the mean of its divisors is an integer number (6648012).

Almost surely, 2^316514640 is an apocalyptic number.

316514640 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 316514640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (531840960).

316514640 is an abundant number, since it is smaller than the sum of its proper divisors (747167280).

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

316514640 is a wasteful number, since it uses less digits than its factorization.

316514640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701 (or 695 counting only the distinct ones).

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

The square root of 316514640 is about 17790.8583266800. The cubic root of 316514640 is about 681.4980238785.

The spelling of 316514640 in words is "three hundred sixteen million, five hundred fourteen thousand, six hundred forty".