40534050185 has 4 divisors (see below), whose sum is σ = 48640860228. Its totient is φ = 32427240144.

The previous prime is 40534050119. The next prime is 40534050191. The reversal of 40534050185 is 58105043504.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23786584441 + 16747465744 = 154229^2 + 129412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40534050185 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4053405014 + ... + 4053405023.

It is an arithmetic number, because the mean of its divisors is an integer number (12160215057).

Almost surely, 2^40534050185 is an apocalyptic number.

It is an amenable number.

40534050185 is a deficient number, since it is larger than the sum of its proper divisors (8106810043).

40534050185 is an equidigital number, since it uses as much as digits as its factorization.

40534050185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8106810042.

The product of its (nonzero) digits is 48000, while the sum is 35.

Adding to 40534050185 its reverse (58105043504), we get a palindrome (98639093689).

The spelling of 40534050185 in words is "forty billion, five hundred thirty-four million, fifty thousand, one hundred eighty-five".