34404440 has 128 divisors (see below), whose sum is σ = 96768000. Its totient is φ = 10741248.

The previous prime is 34404431. The next prime is 34404443. The reversal of 34404440 is 4440443.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34404443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 154169 + ... + 154391.

It is an arithmetic number, because the mean of its divisors is an integer number (756000).

Almost surely, 2^34404440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34404440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48384000).

34404440 is an abundant number, since it is smaller than the sum of its proper divisors (62363560).

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

34404440 is a wasteful number, since it uses less digits than its factorization.

34404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 34404440 is about 5865.5298140918. The cubic root of 34404440 is about 325.2406580439.

Adding to 34404440 its reverse (4440443), we get a palindrome (38844883).

The spelling of 34404440 in words is "thirty-four million, four hundred four thousand, four hundred forty".