441511620 has 96 divisors (see below), whose sum is σ = 1352163456. Its totient is φ = 106752000.

The previous prime is 441511547. The next prime is 441511649. The reversal of 441511620 is 26115144.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367020 + ... + 368220.

It is an arithmetic number, because the mean of its divisors is an integer number (14085036).

Almost surely, 2^441511620 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 441511620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676081728).

441511620 is an abundant number, since it is smaller than the sum of its proper divisors (910651836).

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

441511620 is a wasteful number, since it uses less digits than its factorization.

441511620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1781 (or 1779 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 441511620 is about 21012.1778975907. The cubic root of 441511620 is about 761.4604994868.

Adding to 441511620 its reverse (26115144), we get a palindrome (467626764).

The spelling of 441511620 in words is "four hundred forty-one million, five hundred eleven thousand, six hundred twenty".