40443542 has 8 divisors (see below), whose sum is σ = 60695976. Its totient is φ = 20211552.

The previous prime is 40443541. The next prime is 40443551. The reversal of 40443542 is 24534404.

40443542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40443541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1598 + ... + 9134.

It is an arithmetic number, because the mean of its divisors is an integer number (7586997).

Almost surely, 2^40443542 is an apocalyptic number.

40443542 is a deficient number, since it is larger than the sum of its proper divisors (20252434).

40443542 is a wasteful number, since it uses less digits than its factorization.

40443542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10222.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 40443542 is about 6359.5237243051. The cubic root of 40443542 is about 343.2546225657.

Adding to 40443542 its reverse (24534404), we get a palindrome (64977946).

The spelling of 40443542 in words is "forty million, four hundred forty-three thousand, five hundred forty-two".