40404610163 has 4 divisors (see below), whose sum is σ = 42161332368. Its totient is φ = 38647887960.

The previous prime is 40404610157. The next prime is 40404610193. The reversal of 40404610163 is 36101640404.

40404610163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40404610163 - 2²⁶ = 40337501299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40404610123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878361068 + ... + 878361113.

It is an arithmetic number, because the mean of its divisors is an integer number (10540333092).

Almost surely, 2^40404610163 is an apocalyptic number.

40404610163 is a deficient number, since it is larger than the sum of its proper divisors (1756722205).

40404610163 is a wasteful number, since it uses less digits than its factorization.

40404610163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756722204.

The product of its (nonzero) digits is 6912, while the sum is 29.

The spelling of 40404610163 in words is "forty billion, four hundred four million, six hundred ten thousand, one hundred sixty-three".