318880485 has 72 divisors (see below), whose sum is σ = 701472096. Its totient is φ = 132511680.

The previous prime is 318880453. The next prime is 318880501. The reversal of 318880485 is 584088813.

It is not a de Polignac number, because 318880485 - 2⁵ = 318880453 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 318880485.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17682 + ... + 30828.

It is an arithmetic number, because the mean of its divisors is an integer number (9742668).

Almost surely, 2^318880485 is an apocalyptic number.

318880485 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

318880485 is an abundant number, since it is smaller than the sum of its proper divisors (382591611).

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

318880485 is a wasteful number, since it uses less digits than its factorization.

318880485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13183 (or 13173 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 318880485 is about 17857.2250083825. The cubic root of 318880485 is about 683.1918034603.

The spelling of 318880485 in words is "three hundred eighteen million, eight hundred eighty thousand, four hundred eighty-five".