40805283791 has 8 divisors (see below), whose sum is σ = 40851427584. Its totient is φ = 40759165080.

The previous prime is 40805283767. The next prime is 40805283803. The reversal of 40805283791 is 19738250804.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40805283791 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 (40805283731) 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 7 ways as a sum of consecutive naturals, for example, 7024010 + ... + 7029816.

It is an arithmetic number, because the mean of its divisors is an integer number (5106428448).

Almost surely, 2^40805283791 is an apocalyptic number.

40805283791 is a deficient number, since it is larger than the sum of its proper divisors (46143793).

40805283791 is a wasteful number, since it uses less digits than its factorization.

40805283791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12541.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 40805283791 in words is "forty billion, eight hundred five million, two hundred eighty-three thousand, seven hundred ninety-one".