40160644911 has 10 divisors (see below), whose sum is σ = 59993062272. Its totient is φ = 26773763220.

The previous prime is 40160644903. The next prime is 40160644913. The reversal of 40160644911 is 11944606104.

40160644911 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 0 + 644 + 9 + 1 + 1 = 666.

It is not a de Polignac number, because 40160644911 - 2³ = 40160644903 is a prime.

It is a super-2 number, since 2×40160644911² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40160644913) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 247905135 + ... + 247905296.

Almost surely, 2^40160644911 is an apocalyptic number.

40160644911 is a deficient number, since it is larger than the sum of its proper divisors (19832417361).

40160644911 is an equidigital number, since it uses as much as digits as its factorization.

40160644911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495810443 (or 495810434 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The spelling of 40160644911 in words is "forty billion, one hundred sixty million, six hundred forty-four thousand, nine hundred eleven".