544441380 has 192 divisors, whose sum is σ = 1796014080. Its totient is φ = 120669696.

The previous prime is 544441367. The next prime is 544441399. The reversal of 544441380 is 83144445.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3146974 + ... + 3147146.

It is an arithmetic number, because the mean of its divisors is an integer number (9354240).

Almost surely, 2^544441380 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 544441380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (898007040).

544441380 is an abundant number, since it is smaller than the sum of its proper divisors (1251572700).

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

544441380 is a wasteful number, since it uses less digits than its factorization.

544441380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 378 (or 376 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 544441380 is about 23333.2676665743. The cubic root of 544441380 is about 816.5517402254.

The spelling of 544441380 in words is "five hundred forty-four million, four hundred forty-one thousand, three hundred eighty".