40447770023 has 2 divisors, whose sum is σ = 40447770024. Its totient is φ = 40447770022.

The previous prime is 40447769977. The next prime is 40447770037. The reversal of 40447770023 is 32007774404.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40447770023 - 2⁸ = 40447769767 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40447740023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20223885011 + 20223885012.

It is an arithmetic number, because the mean of its divisors is an integer number (20223885012).

Almost surely, 2^40447770023 is an apocalyptic number.

40447770023 is a deficient number, since it is larger than the sum of its proper divisors (1).

40447770023 is an equidigital number, since it uses as much as digits as its factorization.

40447770023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 131712, while the sum is 38.

The spelling of 40447770023 in words is "forty billion, four hundred forty-seven million, seven hundred seventy thousand, twenty-three".