426631205 has 96 divisors (see below), whose sum is σ = 708341760. Its totient is φ = 239466240.

The previous prime is 426631159. The next prime is 426631217. The reversal of 426631205 is 502136624.

It is not a de Polignac number, because 426631205 - 2⁶ = 426631141 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5140094 + ... + 5140176.

It is an arithmetic number, because the mean of its divisors is an integer number (7378560).

Almost surely, 2^426631205 is an apocalyptic number.

It is an amenable number.

426631205 is a deficient number, since it is larger than the sum of its proper divisors (281710555).

426631205 is a wasteful number, since it uses less digits than its factorization.

426631205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 426631205 is about 20655.0527716586. The cubic root of 426631205 is about 752.8079658357.

Adding to 426631205 its reverse (502136624), we get a palindrome (928767829).

The spelling of 426631205 in words is "four hundred twenty-six million, six hundred thirty-one thousand, two hundred five".