1540544033241 has 6 divisors (see below), whose sum is σ = 2225230270250. Its totient is φ = 1027029355488.

The previous prime is 1540544033221. The next prime is 1540544033243. The reversal of 1540544033241 is 1423304450451.

1540544033241 is a `hidden beast` number, since 1 + 5 + 4 + 0 + 5 + 4 + 403 + 3 + 241 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1415160056025 + 125383977216 = 1189605^2 + 354096^2 .

It is not a de Polignac number, because 1540544033241 - 2⁷ = 1540544033113 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1540544033196 and 1540544033205.

It is not an unprimeable number, because it can be changed into a prime (1540544033243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 85585779616 + ... + 85585779633.

Almost surely, 2^{1540544033241} is an apocalyptic number.

It is an amenable number.

1540544033241 is a deficient number, since it is larger than the sum of its proper divisors (684686237009).

1540544033241 is a wasteful number, since it uses less digits than its factorization.

1540544033241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171171559255 (or 171171559252 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 1540544033241 its reverse (1423304450451), we get a palindrome (2963848483692).

The spelling of 1540544033241 in words is "one trillion, five hundred forty billion, five hundred forty-four million, thirty-three thousand, two hundred forty-one".