40116541 has 6 divisors (see below), whose sum is σ = 41548442. Its totient is φ = 38732400.

The previous prime is 40116533. The next prime is 40116551. The reversal of 40116541 is 14561104.

It can be written as a sum of positive squares in 3 ways, for example, as 5659641 + 34456900 = 2379^2 + 5870^2 .

It is not a de Polignac number, because 40116541 - 2³ = 40116533 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23010 + ... + 24691.

Almost surely, 2^40116541 is an apocalyptic number.

It is an amenable number.

40116541 is a deficient number, since it is larger than the sum of its proper divisors (1431901).

40116541 is an equidigital number, since it uses as much as digits as its factorization.

40116541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47759 (or 47730 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 40116541 is about 6333.7619942653. The cubic root of 40116541 is about 342.3270044711.

Adding to 40116541 its reverse (14561104), we get a palindrome (54677645).

The spelling of 40116541 in words is "forty million, one hundred sixteen thousand, five hundred forty-one".