40563442 has 8 divisors (see below), whose sum is σ = 64047600. Its totient is φ = 19214244.

The previous prime is 40563403. The next prime is 40563449. The reversal of 40563442 is 24436504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40563442.

It is not an unprimeable number, because it can be changed into a prime (40563449) 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, 533692 + ... + 533767.

It is an arithmetic number, because the mean of its divisors is an integer number (8005950).

Almost surely, 2^40563442 is an apocalyptic number.

40563442 is a deficient number, since it is larger than the sum of its proper divisors (23484158).

40563442 is a wasteful number, since it uses less digits than its factorization.

40563442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067480.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 40563442 is about 6368.9435544680. The cubic root of 40563442 is about 343.5934951695.

Adding to 40563442 its reverse (24436504), we get a palindrome (64999946).

The spelling of 40563442 in words is "forty million, five hundred sixty-three thousand, four hundred forty-two".