40003666744071 has 4 divisors (see below), whose sum is σ = 53338222325432. Its totient is φ = 26669111162712.

The previous prime is 40003666744043. The next prime is 40003666744127. The reversal of 40003666744071 is 17044766630004.

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

It is not a de Polignac number, because 40003666744071 - 2⁶ = 40003666744007 is a prime.

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 40003666744071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40003666744001) 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, 6667277790676 + ... + 6667277790681.

It is an arithmetic number, because the mean of its divisors is an integer number (13334555581358).

Almost surely, 2^{40003666744071} is an apocalyptic number.

40003666744071 is a deficient number, since it is larger than the sum of its proper divisors (13334555581361).

40003666744071 is a wasteful number, since it uses less digits than its factorization.

40003666744071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13334555581360.

The product of its (nonzero) digits is 2032128, while the sum is 48.

The spelling of 40003666744071 in words is "forty trillion, three billion, six hundred sixty-six million, seven hundred forty-four thousand, seventy-one".