441040240 has 20 divisors (see below), whose sum is σ = 1025418744. Its totient is φ = 176416064.

The previous prime is 441040219. The next prime is 441040247. The reversal of 441040240 is 42040144.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441040247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2756422 + ... + 2756581.

Almost surely, 2^441040240 is an apocalyptic number.

441040240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441040240 is an abundant number, since it is smaller than the sum of its proper divisors (584378504).

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

441040240 is a wasteful number, since it uses less digits than its factorization.

441040240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5513016 (or 5513010 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 441040240 is about 21000.9580733832. The cubic root of 441040240 is about 761.1894118192.

Adding to 441040240 its reverse (42040144), we get a palindrome (483080384).

The spelling of 441040240 in words is "four hundred forty-one million, forty thousand, two hundred forty".