426018243 has 16 divisors (see below), whose sum is σ = 664269056. Its totient is φ = 237777120.

The previous prime is 426018223. The next prime is 426018251. The reversal of 426018243 is 342810624.

It is not a de Polignac number, because 426018243 - 2⁵ = 426018211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 426018243.

It is not an unprimeable number, because it can be changed into a prime (426018223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234988 + ... + 236793.

It is an arithmetic number, because the mean of its divisors is an integer number (41516816).

Almost surely, 2^426018243 is an apocalyptic number.

426018243 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

426018243 is a deficient number, since it is larger than the sum of its proper divisors (238250813).

426018243 is a wasteful number, since it uses less digits than its factorization.

426018243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471834.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 426018243 is about 20640.2093739380. The cubic root of 426018243 is about 752.4472609772.

Adding to 426018243 its reverse (342810624), we get a palindrome (768828867).

The spelling of 426018243 in words is "four hundred twenty-six million, eighteen thousand, two hundred forty-three".