441819738 has 64 divisors (see below), whose sum is σ = 1013523840. Its totient is φ = 142560000.

The previous prime is 441819689. The next prime is 441819739. The reversal of 441819738 is 837918144.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 441819693 and 441819702.

It is not an unprimeable number, because it can be changed into a prime (441819739) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 501058 + ... + 501938.

It is an arithmetic number, because the mean of its divisors is an integer number (15836310).

Almost surely, 2^441819738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 441819738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506761920).

441819738 is an abundant number, since it is smaller than the sum of its proper divisors (571704102).

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

441819738 is a wasteful number, since it uses less digits than its factorization.

441819738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1180 (or 1174 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 441819738 is about 21019.5085099533. The cubic root of 441819738 is about 761.6375919412.

The spelling of 441819738 in words is "four hundred forty-one million, eight hundred nineteen thousand, seven hundred thirty-eight".