316501894474640 has 960 divisors, whose sum is σ = 940831398650880. Its totient is φ = 96697010995200.

The previous prime is 316501894474637. The next prime is 316501894474771. The reversal of 316501894474640 is 46474498105613.

It is a Harshad number since it is a multiple of its sum of digits (62).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 142504228730 + ... + 142504230950.

It is an arithmetic number, because the mean of its divisors is an integer number (980032706928).

Almost surely, 2^{316501894474640} 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 316501894474640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (470415699325440).

316501894474640 is an abundant number, since it is smaller than the sum of its proper divisors (624329504176240).

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

316501894474640 is a wasteful number, since it uses less digits than its factorization.

316501894474640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2752 (or 2715 counting only the distinct ones).

The product of its (nonzero) digits is 69672960, while the sum is 62.

The spelling of 316501894474640 in words is "three hundred sixteen trillion, five hundred one billion, eight hundred ninety-four million, four hundred seventy-four thousand, six hundred forty".