318476728680 has 128 divisors (see below), whose sum is σ = 1050901948800. Its totient is φ = 77206440960.

The previous prime is 318476728639. The next prime is 318476728699. The reversal of 318476728680 is 86827674813.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 837265 + ... + 1156704.

It is an arithmetic number, because the mean of its divisors is an integer number (8210171475).

Almost surely, 2^318476728680 is an apocalyptic number.

318476728680 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

318476728680 is an abundant number, since it is smaller than the sum of its proper divisors (732425220120).

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

318476728680 is a wasteful number, since it uses less digits than its factorization.

318476728680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1994016 (or 1993990 counting only the distinct ones).

The product of its (nonzero) digits is 21676032, while the sum is 60.

The spelling of 318476728680 in words is "three hundred eighteen billion, four hundred seventy-six million, seven hundred twenty-eight thousand, six hundred eighty".