426136818 has 8 divisors (see below), whose sum is σ = 852273648. Its totient is φ = 142045604.

The previous prime is 426136813. The next prime is 426136829. The reversal of 426136818 is 818631624.

It is a sphenic number, since it is the product of 3 distinct primes.

426136818 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426136813) 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, 35511396 + ... + 35511407.

It is an arithmetic number, because the mean of its divisors is an integer number (106534206).

Almost surely, 2^426136818 is an apocalyptic number.

426136818 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

426136818 is a wasteful number, since it uses less digits than its factorization.

426136818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71022808.

The product of its digits is 55296, while the sum is 39.

The square root of 426136818 is about 20643.0816013501. The cubic root of 426136818 is about 752.5170648404.

The spelling of 426136818 in words is "four hundred twenty-six million, one hundred thirty-six thousand, eight hundred eighteen".