426400304 has 40 divisors (see below), whose sum is σ = 905997072. Its totient is φ = 192798720.

The previous prime is 426400301. The next prime is 426400333. The reversal of 426400304 is 403004624.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 426400304.

It is not an unprimeable number, because it can be changed into a prime (426400301) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 27692 + ... + 40244.

Almost surely, 2^426400304 is an apocalyptic number.

426400304 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 426400304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (452998536).

426400304 is an abundant number, since it is smaller than the sum of its proper divisors (479596768).

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

426400304 is a wasteful number, since it uses less digits than its factorization.

426400304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12765 (or 12759 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 426400304 is about 20649.4625595922. The cubic root of 426400304 is about 752.6721299518.

Adding to 426400304 its reverse (403004624), we get a palindrome (829404928).

The spelling of 426400304 in words is "four hundred twenty-six million, four hundred thousand, three hundred four".