318873672420 has 24 divisors (see below), whose sum is σ = 892846282944. Its totient is φ = 85032979296.

The previous prime is 318873672413. The next prime is 318873672449. The reversal of 318873672420 is 24276378813.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2657280544 + ... + 2657280663.

It is an arithmetic number, because the mean of its divisors is an integer number (37201928456).

Almost surely, 2^318873672420 is an apocalyptic number.

318873672420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

318873672420 is an abundant number, since it is smaller than the sum of its proper divisors (573972610524).

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

318873672420 is a wasteful number, since it uses less digits than its factorization.

318873672420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5314561219 (or 5314561217 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 51.

The spelling of 318873672420 in words is "three hundred eighteen billion, eight hundred seventy-three million, six hundred seventy-two thousand, four hundred twenty".