426324129678 has 12 divisors (see below), whose sum is σ = 923702281008. Its totient is φ = 142108043220.

The previous prime is 426324129619. The next prime is 426324129689. The reversal of 426324129678 is 876921423624.

It is a happy number.

426324129678 is a `hidden beast` number, since 4 + 26 + 324 + 1 + 296 + 7 + 8 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11842336918 + ... + 11842336953.

It is an arithmetic number, because the mean of its divisors is an integer number (76975190084).

Almost surely, 2^426324129678 is an apocalyptic number.

426324129678 is an abundant number, since it is smaller than the sum of its proper divisors (497378151330).

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

426324129678 is a wasteful number, since it uses less digits than its factorization.

426324129678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23684673879 (or 23684673876 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 54.

The spelling of 426324129678 in words is "four hundred twenty-six billion, three hundred twenty-four million, one hundred twenty-nine thousand, six hundred seventy-eight".