441666537312 has 576 divisors, whose sum is σ = 1574700728832. Its totient is φ = 105471590400.

The previous prime is 441666537293. The next prime is 441666537331. The reversal of 441666537312 is 213735666144.

It is an interprime number because it is at equal distance from previous prime (441666537293) and next prime (441666537331).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 324515512 + ... + 324516872.

It is an arithmetic number, because the mean of its divisors is an integer number (2733855432).

Almost surely, 2^441666537312 is an apocalyptic number.

441666537312 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441666537312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (787350364416).

441666537312 is an abundant number, since it is smaller than the sum of its proper divisors (1133034191520).

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

441666537312 is a wasteful number, since it uses less digits than its factorization.

441666537312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1723 (or 1704 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 48.

The spelling of 441666537312 in words is "four hundred forty-one billion, six hundred sixty-six million, five hundred thirty-seven thousand, three hundred twelve".