441155344520 has 128 divisors (see below), whose sum is σ = 1087716833280. Its totient is φ = 159698304000.

The previous prime is 441155344501. The next prime is 441155344529. The reversal of 441155344520 is 25443551144.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (441155344529) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 208978265 + ... + 208980375.

It is an arithmetic number, because the mean of its divisors is an integer number (8497787760).

Almost surely, 2^441155344520 is an apocalyptic number.

441155344520 is a gapful number since it is divisible by the number (40) 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 441155344520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (543858416640).

441155344520 is an abundant number, since it is smaller than the sum of its proper divisors (646561488760).

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

441155344520 is a wasteful number, since it uses less digits than its factorization.

441155344520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4047 (or 4043 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

Adding to 441155344520 its reverse (25443551144), we get a palindrome (466598895664).

The spelling of 441155344520 in words is "four hundred forty-one billion, one hundred fifty-five million, three hundred forty-four thousand, five hundred twenty".