318854808340 has 24 divisors (see below), whose sum is σ = 672084309960. Its totient is φ = 127067787648.

The previous prime is 318854808301. The next prime is 318854808347. The reversal of 318854808340 is 43808458813.

It can be written as a sum of positive squares in 4 ways, for example, as 31728159376 + 287126648964 = 178124^2 + 535842^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318854808347) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 29627967 + ... + 29638726.

It is an arithmetic number, because the mean of its divisors is an integer number (28003512915).

Almost surely, 2^318854808340 is an apocalyptic number.

It is an amenable number.

318854808340 is an abundant number, since it is smaller than the sum of its proper divisors (353229501620).

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

318854808340 is a wasteful number, since it uses less digits than its factorization.

318854808340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59266971 (or 59266969 counting only the distinct ones).

The product of its (nonzero) digits is 2949120, while the sum is 52.

The spelling of 318854808340 in words is "three hundred eighteen billion, eight hundred fifty-four million, eight hundred eight thousand, three hundred forty".