40124244243 has 4 divisors (see below), whose sum is σ = 53498992328. Its totient is φ = 26749496160.

The previous prime is 40124244233. The next prime is 40124244287. The reversal of 40124244243 is 34244242104.

40124244243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40124244243 - 2⁴ = 40124244227 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40124244243.

It is not an unprimeable number, because it can be changed into a prime (40124244233) 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, 6687374038 + ... + 6687374043.

It is an arithmetic number, because the mean of its divisors is an integer number (13374748082).

Almost surely, 2^40124244243 is an apocalyptic number.

40124244243 is a deficient number, since it is larger than the sum of its proper divisors (13374748085).

40124244243 is a wasteful number, since it uses less digits than its factorization.

40124244243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13374748084.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 40124244243 its reverse (34244242104), we get a palindrome (74368486347).

The spelling of 40124244243 in words is "forty billion, one hundred twenty-four million, two hundred forty-four thousand, two hundred forty-three".