441005420 has 24 divisors (see below), whose sum is σ = 947650704. Its totient is φ = 172299456.

The previous prime is 441005401. The next prime is 441005431. The reversal of 441005420 is 24500144.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 441005392 and 441005401.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 255539 + ... + 257258.

It is an arithmetic number, because the mean of its divisors is an integer number (39485446).

Almost surely, 2^441005420 is an apocalyptic number.

It is an amenable number.

441005420 is an abundant number, since it is smaller than the sum of its proper divisors (506645284).

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

441005420 is a wasteful number, since it uses less digits than its factorization.

441005420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 512849 (or 512847 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 441005420 is about 21000.1290472225. The cubic root of 441005420 is about 761.1693793970.

Adding to 441005420 its reverse (24500144), we get a palindrome (465505564).

The spelling of 441005420 in words is "four hundred forty-one million, five thousand, four hundred twenty".