40240200443 has 4 divisors (see below), whose sum is σ = 40382392248. Its totient is φ = 40098008640.

The previous prime is 40240200439. The next prime is 40240200457. The reversal of 40240200443 is 34400204204.

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 40240200443 - 2² = 40240200439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40240200463) 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, 71095478 + ... + 71096043.

It is an arithmetic number, because the mean of its divisors is an integer number (10095598062).

Almost surely, 2^40240200443 is an apocalyptic number.

40240200443 is a deficient number, since it is larger than the sum of its proper divisors (142191805).

40240200443 is a wasteful number, since it uses less digits than its factorization.

40240200443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142191804.

The product of its (nonzero) digits is 3072, while the sum is 23.

Adding to 40240200443 its reverse (34400204204), we get a palindrome (74640404647).

The spelling of 40240200443 in words is "forty billion, two hundred forty million, two hundred thousand, four hundred forty-three".