441320340 has 144 divisors (see below), whose sum is σ = 1356655104. Its totient is φ = 107059200.

The previous prime is 441320339. The next prime is 441320359. The reversal of 441320340 is 43023144.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 537130 + ... + 537950.

It is an arithmetic number, because the mean of its divisors is an integer number (9421216).

Almost surely, 2^441320340 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 441320340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678327552).

441320340 is an abundant number, since it is smaller than the sum of its proper divisors (915334764).

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

441320340 is a wasteful number, since it uses less digits than its factorization.

441320340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 898 (or 879 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 441320340 is about 21007.6257582812. The cubic root of 441320340 is about 761.3505188378.

Adding to 441320340 its reverse (43023144), we get a palindrome (484343484).

It can be divided in two parts, 4413 and 20340, that added together give a triangular number (24753 = T₂₂₂).

The spelling of 441320340 in words is "four hundred forty-one million, three hundred twenty thousand, three hundred forty".