40434563166 has 16 divisors (see below), whose sum is σ = 80930083584. Its totient is φ = 13468028184.

The previous prime is 40434563123. The next prime is 40434563167. The reversal of 40434563166 is 66136543404.

40434563166 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434563167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2531260 + ... + 2547183.

It is an arithmetic number, because the mean of its divisors is an integer number (5058130224).

Almost surely, 2^40434563166 is an apocalyptic number.

40434563166 is an abundant number, since it is smaller than the sum of its proper divisors (40495520418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40434563166 is a wasteful number, since it uses less digits than its factorization.

40434563166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5079775.

The product of its (nonzero) digits is 622080, while the sum is 42.

The spelling of 40434563166 in words is "forty billion, four hundred thirty-four million, five hundred sixty-three thousand, one hundred sixty-six".