40342342047187 has 16 divisors (see below), whose sum is σ = 40525764583392. Its totient is φ = 40159361698560.

The previous prime is 40342342047181. The next prime is 40342342047197. The reversal of 40342342047187 is 78174024324304.

It is a cyclic number.

It is not a de Polignac number, because 40342342047187 - 2¹¹ = 40342342045139 is a prime.

It is a super-2 number, since 2×40342342047187² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40342342047187.

It is not an unprimeable number, because it can be changed into a prime (40342342047181) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512042737 + ... + 512121517.

It is an arithmetic number, because the mean of its divisors is an integer number (2532860286462).

Almost surely, 2^{40342342047187} is an apocalyptic number.

40342342047187 is a deficient number, since it is larger than the sum of its proper divisors (183422536205).

40342342047187 is a wasteful number, since it uses less digits than its factorization.

40342342047187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81558.

The product of its (nonzero) digits is 3612672, while the sum is 49.

The spelling of 40342342047187 in words is "forty trillion, three hundred forty-two billion, three hundred forty-two million, forty-seven thousand, one hundred eighty-seven".