441002394145 has 8 divisors (see below), whose sum is σ = 537878330280. Its totient is φ = 347018277120.

The previous prime is 441002394143. The next prime is 441002394149. The reversal of 441002394145 is 541493200144.

It can be written as a sum of positive squares in 4 ways, for example, as 701137441 + 440301256704 = 26479^2 + 663552^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 441002394145 - 2¹ = 441002394143 is a prime.

It is a super-2 number, since 2×441002394145² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (441002394143) 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 7 ways as a sum of consecutive naturals, for example, 722954440 + ... + 722955049.

It is an arithmetic number, because the mean of its divisors is an integer number (67234791285).

Almost surely, 2^441002394145 is an apocalyptic number.

It is an amenable number.

441002394145 is a deficient number, since it is larger than the sum of its proper divisors (96875936135).

441002394145 is a wasteful number, since it uses less digits than its factorization.

441002394145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445909555.

The product of its (nonzero) digits is 69120, while the sum is 37.

Adding to 441002394145 its reverse (541493200144), we get a palindrome (982495594289).

The spelling of 441002394145 in words is "four hundred forty-one billion, two million, three hundred ninety-four thousand, one hundred forty-five".