40002543113 has 4 divisors (see below), whose sum is σ = 43079661828. Its totient is φ = 36925424400.

The previous prime is 40002543079. The next prime is 40002543149. The reversal of 40002543113 is 31134520004.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1904187769 + 38098355344 = 43637^2 + 195188^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40002543113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40002543173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538559338 + ... + 1538559363.

It is an arithmetic number, because the mean of its divisors is an integer number (10769915457).

Almost surely, 2^40002543113 is an apocalyptic number.

It is an amenable number.

40002543113 is a deficient number, since it is larger than the sum of its proper divisors (3077118715).

40002543113 is a wasteful number, since it uses less digits than its factorization.

40002543113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077118714.

The product of its (nonzero) digits is 1440, while the sum is 23.

The spelling of 40002543113 in words is "forty billion, two million, five hundred forty-three thousand, one hundred thirteen".