318768342580 has 12 divisors (see below), whose sum is σ = 669413519460. Its totient is φ = 127507337024.

The previous prime is 318768342547. The next prime is 318768342583. The reversal of 318768342580 is 85243867813.

It can be written as a sum of positive squares in 2 ways, for example, as 218479586724 + 100288755856 = 467418^2 + 316684^2 .

It is a super-2 number, since 2×318768342580² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318768342583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7969208545 + ... + 7969208584.

It is an arithmetic number, because the mean of its divisors is an integer number (55784459955).

Almost surely, 2^318768342580 is an apocalyptic number.

It is an amenable number.

318768342580 is an abundant number, since it is smaller than the sum of its proper divisors (350645176880).

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

318768342580 is a wasteful number, since it uses less digits than its factorization.

318768342580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15938417138 (or 15938417136 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The spelling of 318768342580 in words is "three hundred eighteen billion, seven hundred sixty-eight million, three hundred forty-two thousand, five hundred eighty".