40201664727 has 32 divisors (see below), whose sum is σ = 61672320000. Its totient is φ = 22818152448.

The previous prime is 40201664717. The next prime is 40201664731. The reversal of 40201664727 is 72746610204.

It is not a de Polignac number, because 40201664727 - 2⁸ = 40201664471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40201664717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1927149 + ... + 1947897.

It is an arithmetic number, because the mean of its divisors is an integer number (1927260000).

Almost surely, 2^40201664727 is an apocalyptic number.

40201664727 is a deficient number, since it is larger than the sum of its proper divisors (21470655273).

40201664727 is a wasteful number, since it uses less digits than its factorization.

40201664727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21375.

The product of its (nonzero) digits is 112896, while the sum is 39.

The spelling of 40201664727 in words is "forty billion, two hundred one million, six hundred sixty-four thousand, seven hundred twenty-seven".