40064112563 has 4 divisors (see below), whose sum is σ = 40072112808. Its totient is φ = 40056112320.

The previous prime is 40064112523. The next prime is 40064112577. The reversal of 40064112563 is 36521146004.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40064112563 - 2⁸ = 40064112307 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40064112523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3992606 + ... + 4002627.

It is an arithmetic number, because the mean of its divisors is an integer number (10018028202).

Almost surely, 2^40064112563 is an apocalyptic number.

40064112563 is a deficient number, since it is larger than the sum of its proper divisors (8000245).

40064112563 is an equidigital number, since it uses as much as digits as its factorization.

40064112563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8000244.

The product of its (nonzero) digits is 17280, while the sum is 32.

Adding to 40064112563 its reverse (36521146004), we get a palindrome (76585258567).

The spelling of 40064112563 in words is "forty billion, sixty-four million, one hundred twelve thousand, five hundred sixty-three".