40476721020473 has 4 divisors (see below), whose sum is σ = 40482042011520. Its totient is φ = 40471400029428.

The previous prime is 40476721020443. The next prime is 40476721020521. The reversal of 40476721020473 is 37402012767404.

40476721020473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40476721020473 - 2⁸ = 40476721020217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40476721020443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2660484113 + ... + 2660499326.

It is an arithmetic number, because the mean of its divisors is an integer number (10120510502880).

Almost surely, 2^{40476721020473} is an apocalyptic number.

It is an amenable number.

40476721020473 is a deficient number, since it is larger than the sum of its proper divisors (5320991047).

40476721020473 is an equidigital number, since it uses as much as digits as its factorization.

40476721020473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5320991046.

The product of its (nonzero) digits is 1580544, while the sum is 47.

Adding to 40476721020473 its reverse (37402012767404), we get a palindrome (77878733787877).

The spelling of 40476721020473 in words is "forty trillion, four hundred seventy-six billion, seven hundred twenty-one million, twenty thousand, four hundred seventy-three".