44161540461 has 12 divisors (see below), whose sum is σ = 64446510492. Its totient is φ = 29137510656.

The previous prime is 44161540427. The next prime is 44161540477. The reversal of 44161540461 is 16404516144.

44161540461 is a `hidden beast` number, since 4 + 41 + 6 + 154 + 0 + 461 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 34375384836 + 9786155625 = 185406^2 + 98925^2 .

It is not a de Polignac number, because 44161540461 - 2¹⁰ = 44161539437 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44161540361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25292106 + ... + 25293851.

It is an arithmetic number, because the mean of its divisors is an integer number (5370542541).

Almost surely, 2^44161540461 is an apocalyptic number.

It is an amenable number.

44161540461 is a deficient number, since it is larger than the sum of its proper divisors (20284970031).

44161540461 is a wasteful number, since it uses less digits than its factorization.

44161540461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50586060 (or 50586057 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The spelling of 44161540461 in words is "forty-four billion, one hundred sixty-one million, five hundred forty thousand, four hundred sixty-one".