43650042 has 8 divisors (see below), whose sum is σ = 87300096. Its totient is φ = 14550012.

The previous prime is 43650037. The next prime is 43650043. The reversal of 43650042 is 24005634.

It is a sphenic number, since it is the product of 3 distinct primes.

43650042 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 43649994 and 43650021.

It is not an unprimeable number, because it can be changed into a prime (43650043) 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, 3637498 + ... + 3637509.

It is an arithmetic number, because the mean of its divisors is an integer number (10912512).

Almost surely, 2^43650042 is an apocalyptic number.

43650042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

43650042 is a wasteful number, since it uses less digits than its factorization.

43650042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7275012.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 43650042 is about 6606.8178421991. The cubic root of 43650042 is about 352.0963762014.

Adding to 43650042 its reverse (24005634), we get a palindrome (67655676).

The spelling of 43650042 in words is "forty-three million, six hundred fifty thousand, forty-two".