40201504243 has 4 divisors (see below), whose sum is σ = 41587763040. Its totient is φ = 38815245448.

The previous prime is 40201504241. The next prime is 40201504271. The reversal of 40201504243 is 34240510204.

It is a happy number.

40201504243 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 a cyclic number.

It is not a de Polignac number, because 40201504243 - 2¹ = 40201504241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40201504241) 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, 693129355 + ... + 693129412.

It is an arithmetic number, because the mean of its divisors is an integer number (10396940760).

Almost surely, 2^40201504243 is an apocalyptic number.

40201504243 is a deficient number, since it is larger than the sum of its proper divisors (1386258797).

40201504243 is a wasteful number, since it uses less digits than its factorization.

40201504243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1386258796.

The product of its (nonzero) digits is 3840, while the sum is 25.

The spelling of 40201504243 in words is "forty billion, two hundred one million, five hundred four thousand, two hundred forty-three".