40404231371 has 4 divisors (see below), whose sum is σ = 46176264432. Its totient is φ = 34632198312.

The previous prime is 40404231319. The next prime is 40404231391. The reversal of 40404231371 is 17313240404.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40404231371 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40404231391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2886016520 + ... + 2886016533.

It is an arithmetic number, because the mean of its divisors is an integer number (11544066108).

Almost surely, 2^40404231371 is an apocalyptic number.

40404231371 is a deficient number, since it is larger than the sum of its proper divisors (5772033061).

40404231371 is an equidigital number, since it uses as much as digits as its factorization.

40404231371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5772033060.

The product of its (nonzero) digits is 8064, while the sum is 29.

Adding to 40404231371 its reverse (17313240404), we get a palindrome (57717471775).

The spelling of 40404231371 in words is "forty billion, four hundred four million, two hundred thirty-one thousand, three hundred seventy-one".