40534166051 has 4 divisors (see below), whose sum is σ = 41139153672. Its totient is φ = 39929178432.

The previous prime is 40534166041. The next prime is 40534166063. The reversal of 40534166051 is 15066143504.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40534166051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40534166041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302493710 + ... + 302493843.

It is an arithmetic number, because the mean of its divisors is an integer number (10284788418).

Almost surely, 2^40534166051 is an apocalyptic number.

40534166051 is a deficient number, since it is larger than the sum of its proper divisors (604987621).

40534166051 is an equidigital number, since it uses as much as digits as its factorization.

40534166051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604987620.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 40534166051 in words is "forty billion, five hundred thirty-four million, one hundred sixty-six thousand, fifty-one".