40469792791 has 4 divisors (see below), whose sum is σ = 40472538184. Its totient is φ = 40467047400.

The previous prime is 40469792743. The next prime is 40469792801. The reversal of 40469792791 is 19729796404.

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 40469792791 - 2¹⁹ = 40469268503 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40469792591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1350465 + ... + 1380106.

It is an arithmetic number, because the mean of its divisors is an integer number (10118134546).

Almost surely, 2^40469792791 is an apocalyptic number.

40469792791 is a deficient number, since it is larger than the sum of its proper divisors (2745393).

40469792791 is a wasteful number, since it uses less digits than its factorization.

40469792791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745392.

The product of its (nonzero) digits is 6858432, while the sum is 58.

The spelling of 40469792791 in words is "forty billion, four hundred sixty-nine million, seven hundred ninety-two thousand, seven hundred ninety-one".