426421272 has 16 divisors (see below), whose sum is σ = 1066053240. Its totient is φ = 142140416.

The previous prime is 426421241. The next prime is 426421291. The reversal of 426421272 is 272124624.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 8883753 + ... + 8883800.

Almost surely, 2^426421272 is an apocalyptic number.

It is an amenable number.

426421272 is an abundant number, since it is smaller than the sum of its proper divisors (639631968).

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

426421272 is a wasteful number, since it uses less digits than its factorization.

426421272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17767562 (or 17767558 counting only the distinct ones).

The product of its digits is 10752, while the sum is 30.

The square root of 426421272 is about 20649.9702663224. The cubic root of 426421272 is about 752.6844671620.

Adding to 426421272 its reverse (272124624), we get a palindrome (698545896).

The spelling of 426421272 in words is "four hundred twenty-six million, four hundred twenty-one thousand, two hundred seventy-two".