318513468 has 144 divisors (see below), whose sum is σ = 954046464. Its totient is φ = 80455680.

The previous prime is 318513457. The next prime is 318513491. The reversal of 318513468 is 864315813.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3283596 + ... + 3283692.

Almost surely, 2^318513468 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 318513468, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (477023232).

318513468 is an abundant number, since it is smaller than the sum of its proper divisors (635532996).

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

318513468 is a wasteful number, since it uses less digits than its factorization.

318513468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 153 counting only the distinct ones).

The product of its digits is 69120, while the sum is 39.

The square root of 318513468 is about 17846.9456210299. The cubic root of 318513468 is about 682.9295952272.

It can be divided in two parts, 3185 and 13468, that added together give a triangular number (16653 = T₁₈₂).

The spelling of 318513468 in words is "three hundred eighteen million, five hundred thirteen thousand, four hundred sixty-eight".