40041240231 has 4 divisors (see below), whose sum is σ = 53388320312. Its totient is φ = 26694160152.

The previous prime is 40041240229. The next prime is 40041240233. The reversal of 40041240231 is 13204214004.

40041240231 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 an interprime number because it is at equal distance from previous prime (40041240229) and next prime (40041240233).

It is not a de Polignac number, because 40041240231 - 2¹ = 40041240229 is a prime.

It is a super-2 number, since 2×40041240231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40041240198 and 40041240207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40041240233) 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, 6673540036 + ... + 6673540041.

It is an arithmetic number, because the mean of its divisors is an integer number (13347080078).

Almost surely, 2^40041240231 is an apocalyptic number.

40041240231 is a deficient number, since it is larger than the sum of its proper divisors (13347080081).

40041240231 is a wasteful number, since it uses less digits than its factorization.

40041240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13347080080.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40041240231 its reverse (13204214004), we get a palindrome (53245454235).

The spelling of 40041240231 in words is "forty billion, forty-one million, two hundred forty thousand, two hundred thirty-one".