441621463632 has 80 divisors (see below), whose sum is σ = 1201550387520. Its totient is φ = 139383936000.

The previous prime is 441621463631. The next prime is 441621463667. The reversal of 441621463632 is 236364126144.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441621463631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1567132 + ... + 1827332.

It is an arithmetic number, because the mean of its divisors is an integer number (15019379844).

Almost surely, 2^441621463632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441621463632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (600775193760).

441621463632 is an abundant number, since it is smaller than the sum of its proper divisors (759928923888).

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

441621463632 is a wasteful number, since it uses less digits than its factorization.

441621463632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262092 (or 262086 counting only the distinct ones).

The product of its digits is 497664, while the sum is 42.

Adding to 441621463632 its reverse (236364126144), we get a palindrome (677985589776).

The spelling of 441621463632 in words is "four hundred forty-one billion, six hundred twenty-one million, four hundred sixty-three thousand, six hundred thirty-two".