43542412 has 12 divisors (see below), whose sum is σ = 76279840. Its totient is φ = 21748176.

The previous prime is 43542409. The next prime is 43542431. The reversal of 43542412 is 21424534.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1083 + ... + 9394.

Almost surely, 2^43542412 is an apocalyptic number.

It is an amenable number.

43542412 is a deficient number, since it is larger than the sum of its proper divisors (32737428).

43542412 is a wasteful number, since it uses less digits than its factorization.

43542412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11520 (or 11518 counting only the distinct ones).

The product of its digits is 3840, while the sum is 25.

The square root of 43542412 is about 6598.6674412339. The cubic root of 43542412 is about 351.8067443828.

Adding to 43542412 its reverse (21424534), we get a palindrome (64966946).

The spelling of 43542412 in words is "forty-three million, five hundred forty-two thousand, four hundred twelve".