426442164 has 12 divisors (see below), whose sum is σ = 995031744. Its totient is φ = 142147384.

The previous prime is 426442153. The next prime is 426442207. The reversal of 426442164 is 461244624.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17768412 + ... + 17768435.

It is an arithmetic number, because the mean of its divisors is an integer number (82919312).

Almost surely, 2^426442164 is an apocalyptic number.

It is an amenable number.

426442164 is an abundant number, since it is smaller than the sum of its proper divisors (568589580).

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

426442164 is a wasteful number, since it uses less digits than its factorization.

426442164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35536854 (or 35536852 counting only the distinct ones).

The product of its digits is 36864, while the sum is 33.

The square root of 426442164 is about 20650.4761204191. The cubic root of 426442164 is about 752.6967592529.

Adding to 426442164 its reverse (461244624), we get a palindrome (887686788).

The spelling of 426442164 in words is "four hundred twenty-six million, four hundred forty-two thousand, one hundred sixty-four".