426681285 has 16 divisors (see below), whose sum is σ = 683605440. Its totient is φ = 227258240.

The previous prime is 426681253. The next prime is 426681289. The reversal of 426681285 is 582186624.

It is not a de Polignac number, because 426681285 - 2⁵ = 426681253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426681289) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7275 + ... + 30104.

It is an arithmetic number, because the mean of its divisors is an integer number (42725340).

Almost surely, 2^426681285 is an apocalyptic number.

It is an amenable number.

426681285 is a deficient number, since it is larger than the sum of its proper divisors (256924155).

426681285 is a wasteful number, since it uses less digits than its factorization.

426681285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38148.

The product of its digits is 184320, while the sum is 42.

The square root of 426681285 is about 20656.2650302517. The cubic root of 426681285 is about 752.8374207431.

The spelling of 426681285 in words is "four hundred twenty-six million, six hundred eighty-one thousand, two hundred eighty-five".