40065124063 has 4 divisors (see below), whose sum is σ = 40067457400. Its totient is φ = 40062790728.

The previous prime is 40065124013. The next prime is 40065124069. The reversal of 40065124063 is 36042156004.

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 40065124063 - 2⁹ = 40065123551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40065124069) 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, 1140720 + ... + 1175317.

It is an arithmetic number, because the mean of its divisors is an integer number (10016864350).

Almost surely, 2^40065124063 is an apocalyptic number.

40065124063 is a deficient number, since it is larger than the sum of its proper divisors (2333337).

40065124063 is a wasteful number, since it uses less digits than its factorization.

40065124063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333336.

The product of its (nonzero) digits is 17280, while the sum is 31.

The spelling of 40065124063 in words is "forty billion, sixty-five million, one hundred twenty-four thousand, sixty-three".