316240512 has 128 divisors (see below), whose sum is σ = 980016000. Its totient is φ = 90354432.

The previous prime is 316240499. The next prime is 316240513. The reversal of 316240512 is 215042613.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×316240512² = 200016122860044288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nialpdrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (316240513) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45177213 + ... + 45177219.

It is an arithmetic number, because the mean of its divisors is an integer number (7656375).

Almost surely, 2^316240512 is an apocalyptic number.

316240512 is a gapful number since it is divisible by the number (32) 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 316240512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (490008000).

316240512 is an abundant number, since it is smaller than the sum of its proper divisors (663775488).

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

316240512 is an frugal number, since it uses more digits than its factorization.

316240512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66 (or 12 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 316240512 is about 17783.1524764312. The cubic root of 316240512 is about 681.3012223977.

The spelling of 316240512 in words is "three hundred sixteen million, two hundred forty thousand, five hundred twelve".