41021641444 has 243 divisors, whose sum is σ = 95308251003. Its totient is φ = 15399369216.

The previous prime is 41021641361. The next prime is 41021641447. The reversal of 41021641444 is 44414612014.

The square root of 41021641444 is 202538.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19082107044 + 21939534400 = 138138^2 + 148120^2 .

It is not an unprimeable number, because it can be changed into a prime (41021641447) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 1108692994 + ... + 1108693030.

Almost surely, 2^41021641444 is an apocalyptic number.

41021641444 is the 202538-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41021641444

41021641444 is an abundant number, since it is smaller than the sum of its proper divisors (54286609559).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41021641444 is a wasteful number, since it uses less digits than its factorization.

41021641444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 31.

The spelling of 41021641444 in words is "forty-one billion, twenty-one million, six hundred forty-one thousand, four hundred forty-four".