441321240 has 64 divisors (see below), whose sum is σ = 1381536000. Its totient is φ = 112568192.

The previous prime is 441321203. The next prime is 441321269. The reversal of 441321240 is 42123144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77190 + ... + 82709.

It is an arithmetic number, because the mean of its divisors is an integer number (21586500).

Almost surely, 2^441321240 is an apocalyptic number.

441321240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441321240 is an abundant number, since it is smaller than the sum of its proper divisors (940214760).

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

441321240 is a wasteful number, since it uses less digits than its factorization.

441321240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159936 (or 159932 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 441321240 is about 21007.6471790632. The cubic root of 441321240 is about 761.3510363871.

Adding to 441321240 its reverse (42123144), we get a palindrome (483444384).

The spelling of 441321240 in words is "four hundred forty-one million, three hundred twenty-one thousand, two hundred forty".