40689143207 has 16 divisors (see below), whose sum is σ = 43959659520. Its totient is φ = 37535140800.

The previous prime is 40689143177. The next prime is 40689143227. The reversal of 40689143207 is 70234198604.

40689143207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40689143207 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 (40689143227) 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, 357482 + ... + 457352.

It is an arithmetic number, because the mean of its divisors is an integer number (2747478720).

Almost surely, 2^40689143207 is an apocalyptic number.

40689143207 is a deficient number, since it is larger than the sum of its proper divisors (3270516313).

40689143207 is a wasteful number, since it uses less digits than its factorization.

40689143207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100454.

The product of its (nonzero) digits is 290304, while the sum is 44.

The spelling of 40689143207 in words is "forty billion, six hundred eighty-nine million, one hundred forty-three thousand, two hundred seven".