40055365673 has 2 divisors, whose sum is σ = 40055365674. Its totient is φ = 40055365672.

The previous prime is 40055365657. The next prime is 40055365729. The reversal of 40055365673 is 37656355004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28228368169 + 11826997504 = 168013^2 + 108752^2 .

It is a cyclic number.

It is not a de Polignac number, because 40055365673 - 2⁴ = 40055365657 is a prime.

It is not a weakly prime, because it can be changed into another prime (40055368673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20027682836 + 20027682837.

It is an arithmetic number, because the mean of its divisors is an integer number (20027682837).

Almost surely, 2^40055365673 is an apocalyptic number.

It is an amenable number.

40055365673 is a deficient number, since it is larger than the sum of its proper divisors (1).

40055365673 is an equidigital number, since it uses as much as digits as its factorization.

40055365673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134000, while the sum is 44.

The spelling of 40055365673 in words is "forty billion, fifty-five million, three hundred sixty-five thousand, six hundred seventy-three".