40500043 has 8 divisors (see below), whose sum is σ = 41936256. Its totient is φ = 39072000.

The previous prime is 40500011. The next prime is 40500049. The reversal of 40500043 is 34000504.

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

It is a cyclic number.

It is not a de Polignac number, because 40500043 - 2⁵ = 40500011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40500049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9093 + ... + 12793.

It is an arithmetic number, because the mean of its divisors is an integer number (5242032).

Almost surely, 2^40500043 is an apocalyptic number.

40500043 is a deficient number, since it is larger than the sum of its proper divisors (1436213).

40500043 is a wasteful number, since it uses less digits than its factorization.

40500043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4085.

The product of its (nonzero) digits is 240, while the sum is 16.

The square root of 40500043 is about 6363.9644090771. The cubic root of 40500043 is about 343.4143943035.

Adding to 40500043 its reverse (34000504), we get a palindrome (74500547).

The spelling of 40500043 in words is "forty million, five hundred thousand, forty-three".