40111441 has 4 divisors (see below), whose sum is σ = 41195572. Its totient is φ = 39027312.

The previous prime is 40111417. The next prime is 40111453. The reversal of 40111441 is 14411104.

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 32821441 + 7290000 = 5729^2 + 2700^2 .

It is a cyclic number.

It is not a de Polignac number, because 40111441 - 2⁹ = 40110929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40111481) 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, 542010 + ... + 542083.

It is an arithmetic number, because the mean of its divisors is an integer number (10298893).

Almost surely, 2^40111441 is an apocalyptic number.

It is an amenable number.

40111441 is a deficient number, since it is larger than the sum of its proper divisors (1084131).

40111441 is a wasteful number, since it uses less digits than its factorization.

40111441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084130.

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 40111441 is about 6333.3593771394. The cubic root of 40111441 is about 342.3124972241.

Adding to 40111441 its reverse (14411104), we get a palindrome (54522545).

The spelling of 40111441 in words is "forty million, one hundred eleven thousand, four hundred forty-one".