40344126635 has 4 divisors (see below), whose sum is σ = 48412951968. Its totient is φ = 32275301304.

The previous prime is 40344126619. The next prime is 40344126643. The reversal of 40344126635 is 53662144304.

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 40344126635 - 2⁴ = 40344126619 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4034412659 + ... + 4034412668.

It is an arithmetic number, because the mean of its divisors is an integer number (12103237992).

Almost surely, 2^40344126635 is an apocalyptic number.

40344126635 is a deficient number, since it is larger than the sum of its proper divisors (8068825333).

40344126635 is an equidigital number, since it uses as much as digits as its factorization.

40344126635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8068825332.

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 40344126635 in words is "forty billion, three hundred forty-four million, one hundred twenty-six thousand, six hundred thirty-five".