40200440231 has 8 divisors (see below), whose sum is σ = 46247622144. Its totient is φ = 34229323800.

The previous prime is 40200440227. The next prime is 40200440249. The reversal of 40200440231 is 13204400204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40200440231 - 2² = 40200440227 is a prime.

It is a super-2 number, since 2×40200440231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40200445231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19015235 + ... + 19017348.

It is an arithmetic number, because the mean of its divisors is an integer number (5780952768).

Almost surely, 2^40200440231 is an apocalyptic number.

40200440231 is a deficient number, since it is larger than the sum of its proper divisors (6047181913).

40200440231 is a wasteful number, since it uses less digits than its factorization.

40200440231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38032741.

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 40200440231 its reverse (13204400204), we get a palindrome (53404840435).

The spelling of 40200440231 in words is "forty billion, two hundred million, four hundred forty thousand, two hundred thirty-one".