40556928573 has 24 divisors (see below), whose sum is σ = 67198200576. Its totient is φ = 23089860000.

The previous prime is 40556928521. The next prime is 40556928593. The reversal of 40556928573 is 37582965504.

40556928573 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 69 + 2 + 8 + 573 = 666.

It is not a de Polignac number, because 40556928573 - 2²⁴ = 40540151357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556928593) 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 in 23 ways as a sum of consecutive naturals, for example, 1170678 + ... + 1204823.

It is an arithmetic number, because the mean of its divisors is an integer number (2799925024).

Almost surely, 2^40556928573 is an apocalyptic number.

It is an amenable number.

40556928573 is a deficient number, since it is larger than the sum of its proper divisors (26641272003).

40556928573 is a wasteful number, since it uses less digits than its factorization.

40556928573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2375785 (or 2375782 counting only the distinct ones).

The product of its (nonzero) digits is 9072000, while the sum is 54.

The spelling of 40556928573 in words is "forty billion, five hundred fifty-six million, nine hundred twenty-eight thousand, five hundred seventy-three".