318082340 has 48 divisors (see below), whose sum is σ = 688329264. Its totient is φ = 123379200.

The previous prime is 318082339. The next prime is 318082367. The reversal of 318082340 is 43280813.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 8111104 + 309971236 = 2848^2 + 17606^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 311030 + ... + 312050.

It is an arithmetic number, because the mean of its divisors is an integer number (14340193).

Almost surely, 2^318082340 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 318082340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (344164632).

318082340 is an abundant number, since it is smaller than the sum of its proper divisors (370246924).

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

318082340 is a wasteful number, since it uses less digits than its factorization.

318082340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1488 (or 1486 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 318082340 is about 17834.8630496564. The cubic root of 318082340 is about 682.6213267202.

The spelling of 318082340 in words is "three hundred eighteen million, eighty-two thousand, three hundred forty".