318945695020 has 24 divisors (see below), whose sum is σ = 671473094544. Its totient is φ = 127256918976.

The previous prime is 318945694841. The next prime is 318945695027. The reversal of 318945695020 is 20596549813.

It is not an unprimeable number, because it can be changed into a prime (318945695027) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20076802 + ... + 20092681.

It is an arithmetic number, because the mean of its divisors is an integer number (27978045606).

Almost surely, 2^318945695020 is an apocalyptic number.

It is an amenable number.

318945695020 is an abundant number, since it is smaller than the sum of its proper divisors (352527399524).

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

318945695020 is a wasteful number, since it uses less digits than its factorization.

318945695020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40169889 (or 40169887 counting only the distinct ones).

The product of its (nonzero) digits is 2332800, while the sum is 52.

The spelling of 318945695020 in words is "three hundred eighteen billion, nine hundred forty-five million, six hundred ninety-five thousand, twenty".