40224344543 has 4 divisors (see below), whose sum is σ = 40286902488. Its totient is φ = 40161786600.

The previous prime is 40224344533. The next prime is 40224344561. The reversal of 40224344543 is 34544342204.

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 40224344543 - 2⁸ = 40224344287 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 (40224344513) 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, 31278008 + ... + 31279293.

It is an arithmetic number, because the mean of its divisors is an integer number (10071725622).

Almost surely, 2^40224344543 is an apocalyptic number.

40224344543 is a deficient number, since it is larger than the sum of its proper divisors (62557945).

40224344543 is an equidigital number, since it uses as much as digits as its factorization.

40224344543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62557944.

The product of its (nonzero) digits is 184320, while the sum is 35.

Adding to 40224344543 its reverse (34544342204), we get a palindrome (74768686747).

The spelling of 40224344543 in words is "forty billion, two hundred twenty-four million, three hundred forty-four thousand, five hundred forty-three".