462221680818 has 16 divisors (see below), whose sum is σ = 924489969120. Its totient is φ = 154066125696.

The previous prime is 462221680813. The next prime is 462221680847. The reversal of 462221680818 is 818086122264.

It is not an unprimeable number, because it can be changed into a prime (462221680813) 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, 1812388 + ... + 2051631.

It is an arithmetic number, because the mean of its divisors is an integer number (57780623070).

Almost surely, 2^462221680818 is an apocalyptic number.

462221680818 is an abundant number, since it is smaller than the sum of its proper divisors (462268288302).

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

462221680818 is a wasteful number, since it uses less digits than its factorization.

462221680818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3883961.

The product of its (nonzero) digits is 589824, while the sum is 48.

The spelling of 462221680818 in words is "four hundred sixty-two billion, two hundred twenty-one million, six hundred eighty thousand, eight hundred eighteen".