426643130 has 32 divisors (see below), whose sum is σ = 789944400. Its totient is φ = 165806080.

The previous prime is 426643117. The next prime is 426643181. The reversal of 426643130 is 31346624.

It can be written as a sum of positive squares in 8 ways, for example, as 147452449 + 279190681 = 12143^2 + 16709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 426643093 and 426643102.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103346 + ... + 107394.

Almost surely, 2^426643130 is an apocalyptic number.

426643130 is a deficient number, since it is larger than the sum of its proper divisors (363301270).

426643130 is a wasteful number, since it uses less digits than its factorization.

426643130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4354.

The product of its (nonzero) digits is 10368, while the sum is 29.

The square root of 426643130 is about 20655.3414399278. The cubic root of 426643130 is about 752.8149798182.

Adding to 426643130 its reverse (31346624), we get a palindrome (457989754).

The spelling of 426643130 in words is "four hundred twenty-six million, six hundred forty-three thousand, one hundred thirty".