43412042 has 4 divisors (see below), whose sum is σ = 65118066. Its totient is φ = 21706020.

The previous prime is 43412041. The next prime is 43412081. The reversal of 43412042 is 24021434.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 24393721 + 19018321 = 4939^2 + 4361^2 .

It is not an unprimeable number, because it can be changed into a prime (43412041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10853009 + ... + 10853012.

Almost surely, 2^43412042 is an apocalyptic number.

43412042 is a deficient number, since it is larger than the sum of its proper divisors (21706024).

43412042 is a wasteful number, since it uses less digits than its factorization.

43412042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21706023.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 43412042 is about 6588.7815262004. The cubic root of 43412042 is about 351.4552794227.

Adding to 43412042 its reverse (24021434), we get a palindrome (67433476).

The spelling of 43412042 in words is "forty-three million, four hundred twelve thousand, forty-two".