718857228745000 has 40 divisors (see below), whose sum is σ = 1684282486961250. Its totient is φ = 287542891496000.

The previous prime is 718857228744989. The next prime is 718857228745009. The reversal of 718857228745000 is 547822758817.

It can be written as a sum of positive squares in 5 ways, for example, as 69002826558436 + 649854402186564 = 8306794^2 + 25492242^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (718857228745009) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 71885717875 + ... + 71885727874.

Almost surely, 2^{718857228745000} is an apocalyptic number.

It is an amenable number.

718857228745000 is an abundant number, since it is smaller than the sum of its proper divisors (965425258216250).

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

718857228745000 is a wasteful number, since it uses less digits than its factorization.

718857228745000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143771445775 (or 143771445756 counting only the distinct ones).

The product of its (nonzero) digits is 70246400, while the sum is 64.

The spelling of 718857228745000 in words is "seven hundred eighteen trillion, eight hundred fifty-seven billion, two hundred twenty-eight million, seven hundred forty-five thousand".