34424240 has 20 divisors (see below), whose sum is σ = 80036544. Its totient is φ = 13769664.

The previous prime is 34424237. The next prime is 34424249. The reversal of 34424240 is 4242443.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (34424249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215072 + ... + 215231.

Almost surely, 2^34424240 is an apocalyptic number.

It is an amenable number.

34424240 is an abundant number, since it is smaller than the sum of its proper divisors (45612304).

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

34424240 is a wasteful number, since it uses less digits than its factorization.

34424240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 430316 (or 430310 counting only the distinct ones).

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

The square root of 34424240 is about 5867.2173983925. The cubic root of 34424240 is about 325.3030388495.

Adding to 34424240 its reverse (4242443), we get a palindrome (38666683).

The spelling of 34424240 in words is "thirty-four million, four hundred twenty-four thousand, two hundred forty".