40056532573 has 2 divisors, whose sum is σ = 40056532574. Its totient is φ = 40056532572.

The previous prime is 40056532553. The next prime is 40056532631. The reversal of 40056532573 is 37523565004.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29795247769 + 10261284804 = 172613^2 + 101298^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40056532573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40056532553) 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 as a sum of consecutive naturals, namely, 20028266286 + 20028266287.

It is an arithmetic number, because the mean of its divisors is an integer number (20028266287).

Almost surely, 2^40056532573 is an apocalyptic number.

It is an amenable number.

40056532573 is a deficient number, since it is larger than the sum of its proper divisors (1).

40056532573 is an equidigital number, since it uses as much as digits as its factorization.

40056532573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378000, while the sum is 40.

The spelling of 40056532573 in words is "forty billion, fifty-six million, five hundred thirty-two thousand, five hundred seventy-three".