34043440 has 40 divisors (see below), whose sum is σ = 83320560. Its totient is φ = 12900096.

The previous prime is 34043393. The next prime is 34043453. The reversal of 34043440 is 4434043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9679 + ... + 12718.

It is an arithmetic number, because the mean of its divisors is an integer number (2083014).

Almost surely, 2^34043440 is an apocalyptic number.

It is an amenable number.

34043440 is an abundant number, since it is smaller than the sum of its proper divisors (49277120).

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

34043440 is a wasteful number, since it uses less digits than its factorization.

34043440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22429 (or 22423 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 34043440 is about 5834.6756550814. The cubic root of 34043440 is about 324.0990907604.

Adding to 34043440 its reverse (4434043), we get a palindrome (38477483).

The spelling of 34043440 in words is "thirty-four million, forty-three thousand, four hundred forty".