426434260 has 72 divisors (see below), whose sum is σ = 1087067520. Its totient is φ = 139841856.

The previous prime is 426434257. The next prime is 426434263. The reversal of 426434260 is 62434624.

It is an interprime number because it is at equal distance from previous prime (426434257) and next prime (426434263).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426434263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13081 + ... + 31999.

It is an arithmetic number, because the mean of its divisors is an integer number (15098160).

Almost surely, 2^426434260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426434260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543533760).

426434260 is an abundant number, since it is smaller than the sum of its proper divisors (660633260).

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

426434260 is a wasteful number, since it uses less digits than its factorization.

426434260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18965 (or 18956 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

The square root of 426434260 is about 20650.2847437995. The cubic root of 426434260 is about 752.6921088747.

Adding to 426434260 its reverse (62434624), we get a palindrome (488868884).

The spelling of 426434260 in words is "four hundred twenty-six million, four hundred thirty-four thousand, two hundred sixty".