43424452 has 24 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 21191520.

The previous prime is 43424449. The next prime is 43424461. The reversal of 43424452 is 25442434.

It is a self number, because there is not a number n which added to its sum of digits gives 43424452.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29674 + ... + 31102.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^43424452 is an apocalyptic number.

It is an amenable number.

43424452 is a deficient number, since it is larger than the sum of its proper divisors (34413308).

43424452 is a wasteful number, since it uses less digits than its factorization.

43424452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1611 (or 1609 counting only the distinct ones).

The product of its digits is 15360, while the sum is 28.

The square root of 43424452 is about 6589.7232111827. The cubic root of 43424452 is about 351.4887658647.

Adding to 43424452 its reverse (25442434), we get a palindrome (68866886).

The spelling of 43424452 in words is "forty-three million, four hundred twenty-four thousand, four hundred fifty-two".