434442440 has 32 divisors (see below), whose sum is σ = 978092280. Its totient is φ = 173670912.

The previous prime is 434442439. The next prime is 434442443. The reversal of 434442440 is 44244434.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 168948004 + 265494436 = 12998^2 + 16294^2 .

It is not an unprimeable number, because it can be changed into a prime (434442443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116444 + ... + 120116.

Almost surely, 2^434442440 is an apocalyptic number.

434442440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434442440 is an abundant number, since it is smaller than the sum of its proper divisors (543649840).

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

434442440 is a wasteful number, since it uses less digits than its factorization.

434442440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641 (or 6637 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 29.

The square root of 434442440 is about 20843.2828508371. The cubic root of 434442440 is about 757.3746208053.

Adding to 434442440 its reverse (44244434), we get a palindrome (478686874).

The spelling of 434442440 in words is "four hundred thirty-four million, four hundred forty-two thousand, four hundred forty".