40852405273 has 2 divisors, whose sum is σ = 40852405274. Its totient is φ = 40852405272.

The previous prime is 40852405193. The next prime is 40852405309. The reversal of 40852405273 is 37250425804.

40852405273 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35159250064 + 5693155209 = 187508^2 + 75453^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40852405273 is a prime.

It is a super-4 number, since 4×40852405273⁴ (a number of 44 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (40852445273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20426202636 + 20426202637.

It is an arithmetic number, because the mean of its divisors is an integer number (20426202637).

Almost surely, 2^40852405273 is an apocalyptic number.

It is an amenable number.

40852405273 is a deficient number, since it is larger than the sum of its proper divisors (1).

40852405273 is an equidigital number, since it uses as much as digits as its factorization.

40852405273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 40852405273 in words is "forty billion, eight hundred fifty-two million, four hundred five thousand, two hundred seventy-three".