40524442111 has 4 divisors (see below), whose sum is σ = 40815985000. Its totient is φ = 40232899224.

The previous prime is 40524442061. The next prime is 40524442171. The reversal of 40524442111 is 11124442504.

It is a happy number.

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 40524442111 - 2⁷ = 40524441983 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40524442111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40524442171) 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, 145771236 + ... + 145771513.

It is an arithmetic number, because the mean of its divisors is an integer number (10203996250).

Almost surely, 2^40524442111 is an apocalyptic number.

40524442111 is a deficient number, since it is larger than the sum of its proper divisors (291542889).

40524442111 is a wasteful number, since it uses less digits than its factorization.

40524442111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291542888.

The product of its (nonzero) digits is 5120, while the sum is 28.

Adding to 40524442111 its reverse (11124442504), we get a palindrome (51648884615).

The spelling of 40524442111 in words is "forty billion, five hundred twenty-four million, four hundred forty-two thousand, one hundred eleven".