318858240612 has 24 divisors (see below), whose sum is σ = 746631553696. Its totient is φ = 105910509888.

The previous prime is 318858240557. The next prime is 318858240661. The reversal of 318858240612 is 216042858813.

It is a super-2 number, since 2×318858240612² (a number of 24 digits) contains 22 as substring.

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, 46942753 + ... + 46949544.

Almost surely, 2^318858240612 is an apocalyptic number.

It is an amenable number.

318858240612 is an abundant number, since it is smaller than the sum of its proper divisors (427773313084).

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

318858240612 is a wasteful number, since it uses less digits than its factorization.

318858240612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93892587 (or 93892585 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 48.

The spelling of 318858240612 in words is "three hundred eighteen billion, eight hundred fifty-eight million, two hundred forty thousand, six hundred twelve".