426413491218 has 48 divisors (see below), whose sum is σ = 1085416166016. Its totient is φ = 119276500320.

The previous prime is 426413491169. The next prime is 426413491219. The reversal of 426413491218 is 812194314624.

426413491218 is a `hidden beast` number, since 426 + 4 + 1 + 3 + 4 + 9 + 1 + 218 = 666.

426413491218 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (426413491219) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 82828330 + ... + 82833477.

It is an arithmetic number, because the mean of its divisors is an integer number (22612836792).

Almost surely, 2^426413491218 is an apocalyptic number.

426413491218 is an abundant number, since it is smaller than the sum of its proper divisors (659002674798).

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

426413491218 is a wasteful number, since it uses less digits than its factorization.

426413491218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165661839 (or 165661836 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The spelling of 426413491218 in words is "four hundred twenty-six billion, four hundred thirteen million, four hundred ninety-one thousand, two hundred eighteen".