40504243555523 has 8 divisors (see below), whose sum is σ = 45264165747696. Its totient is φ = 35923941068800.

The previous prime is 40504243555483. The next prime is 40504243555571. The reversal of 40504243555523 is 32555534240504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40504243555523 - 2¹⁰ = 40504243554499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40504243555123) 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 7 ways as a sum of consecutive naturals, for example, 44904925886 + ... + 44904926787.

It is an arithmetic number, because the mean of its divisors is an integer number (5658020718462).

Almost surely, 2^{40504243555523} is an apocalyptic number.

40504243555523 is a deficient number, since it is larger than the sum of its proper divisors (4759922192173).

40504243555523 is a wasteful number, since it uses less digits than its factorization.

40504243555523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89809852725.

The product of its (nonzero) digits is 7200000, while the sum is 47.

The spelling of 40504243555523 in words is "forty trillion, five hundred four billion, two hundred forty-three million, five hundred fifty-five thousand, five hundred twenty-three".