434322440 has 32 divisors (see below), whose sum is σ = 993251160. Its totient is φ = 170880000.

The previous prime is 434322433. The next prime is 434322457. The reversal of 434322440 is 44223434.

It can be written as a sum of positive squares in 4 ways, for example, as 314069284 + 120253156 = 17722^2 + 10966^2 .

It is an unprimeable number.

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, 86561 + ... + 91440.

Almost surely, 2^434322440 is an apocalyptic number.

434322440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

434322440 is an abundant number, since it is smaller than the sum of its proper divisors (558928720).

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

434322440 is a wasteful number, since it uses less digits than its factorization.

434322440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178073 (or 178069 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 434322440 is about 20840.4040267937. The cubic root of 434322440 is about 757.3048813605.

Adding to 434322440 its reverse (44223434), we get a palindrome (478545874).

The spelling of 434322440 in words is "four hundred thirty-four million, three hundred twenty-two thousand, four hundred forty".