2040105541 has 4 divisors (see below), whose sum is σ = 2041279084. Its totient is φ = 2038932000.

The previous prime is 2040105539. The next prime is 2040105569. The reversal of 2040105541 is 1455010402.

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 92736900 + 1947368641 = 9630^2 + 44129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2040105541 - 2¹ = 2040105539 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 (2040105341) 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, 584160 + ... + 587641.

It is an arithmetic number, because the mean of its divisors is an integer number (510319771).

Almost surely, 2^2040105541 is an apocalyptic number.

It is an amenable number.

2040105541 is a deficient number, since it is larger than the sum of its proper divisors (1173543).

2040105541 is a wasteful number, since it uses less digits than its factorization.

2040105541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173542.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 2040105541 is about 45167.5275059417. The cubic root of 2040105541 is about 1268.2870122638.

Adding to 2040105541 its reverse (1455010402), we get a palindrome (3495115943).

The spelling of 2040105541 in words is "two billion, forty million, one hundred five thousand, five hundred forty-one".