40799144927 has 2 divisors, whose sum is σ = 40799144928. Its totient is φ = 40799144926.

The previous prime is 40799144899. The next prime is 40799144933. The reversal of 40799144927 is 72944199704.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40799144927 - 2¹² = 40799140831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40799144227) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20399572463 + 20399572464.

It is an arithmetic number, because the mean of its divisors is an integer number (20399572464).

Almost surely, 2^40799144927 is an apocalyptic number.

40799144927 is a deficient number, since it is larger than the sum of its proper divisors (1).

40799144927 is an equidigital number, since it uses as much as digits as its factorization.

40799144927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 40799144927 in words is "forty billion, seven hundred ninety-nine million, one hundred forty-four thousand, nine hundred twenty-seven".