41040140431 has 4 divisors (see below), whose sum is σ = 41113821672. Its totient is φ = 40966459192.

The previous prime is 41040140387. The next prime is 41040140443. The reversal of 41040140431 is 13404104014.

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 41040140431 - 2⁷ = 41040140303 is a prime.

It is a super-2 number, since 2×41040140431² (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 (41040120431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36839785 + ... + 36840898.

It is an arithmetic number, because the mean of its divisors is an integer number (10278455418).

Almost surely, 2^41040140431 is an apocalyptic number.

41040140431 is a deficient number, since it is larger than the sum of its proper divisors (73681241).

41040140431 is an equidigital number, since it uses as much as digits as its factorization.

41040140431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73681240.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 41040140431 its reverse (13404104014), we get a palindrome (54444244445).

The spelling of 41040140431 in words is "forty-one billion, forty million, one hundred forty thousand, four hundred thirty-one".