318212480 has 128 divisors (see below), whose sum is σ = 795281760. Its totient is φ = 121651200.

The previous prime is 318212473. The next prime is 318212491. The reversal of 318212480 is 84212813.

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

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 15 ways as a sum of consecutive naturals, for example, 1757990 + ... + 1758170.

Almost surely, 2^318212480 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 318212480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397640880).

318212480 is an abundant number, since it is smaller than the sum of its proper divisors (477069280).

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

318212480 is a wasteful number, since it uses less digits than its factorization.

318212480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308 (or 296 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 318212480 is about 17838.5111486357. The cubic root of 318212480 is about 682.7144097740.

The spelling of 318212480 in words is "three hundred eighteen million, two hundred twelve thousand, four hundred eighty".