40450543 has 4 divisors (see below), whose sum is σ = 46229200. Its totient is φ = 34671888.

The previous prime is 40450523. The next prime is 40450549. The reversal of 40450543 is 34505404.

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

It is a cyclic number.

It is not a de Polignac number, because 40450543 - 2¹³ = 40442351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40450549) 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, 2889318 + ... + 2889331.

It is an arithmetic number, because the mean of its divisors is an integer number (11557300).

Almost surely, 2^40450543 is an apocalyptic number.

40450543 is a deficient number, since it is larger than the sum of its proper divisors (5778657).

40450543 is an equidigital number, since it uses as much as digits as its factorization.

40450543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778656.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 40450543 is about 6360.0741347881. The cubic root of 40450543 is about 343.2744278452.

Adding to 40450543 its reverse (34505404), we get a palindrome (74955947).

The spelling of 40450543 in words is "forty million, four hundred fifty thousand, five hundred forty-three".