41531985441 has 40 divisors (see below), whose sum is σ = 65915732520. Its totient is φ = 26010657792.

The previous prime is 41531985437. The next prime is 41531985457. The reversal of 41531985441 is 14458913514.

41531985441 is a `hidden beast` number, since 4 + 15 + 3 + 1 + 98 + 544 + 1 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 27244803600 + 14287181841 = 165060^2 + 119529^2 .

It is not a de Polignac number, because 41531985441 - 2² = 41531985437 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41531985421) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 152016 + ... + 325841.

It is an arithmetic number, because the mean of its divisors is an integer number (1647893313).

Almost surely, 2^41531985441 is an apocalyptic number.

It is an amenable number.

41531985441 is a deficient number, since it is larger than the sum of its proper divisors (24383747079).

41531985441 is a wasteful number, since it uses less digits than its factorization.

41531985441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477935 (or 477926 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 41531985441 in words is "forty-one billion, five hundred thirty-one million, nine hundred eighty-five thousand, four hundred forty-one".