441540180 has 96 divisors (see below), whose sum is σ = 1379347200. Its totient is φ = 117258624.

The previous prime is 441540179. The next prime is 441540199. The reversal of 441540180 is 81045144.

It is a happy number.

441540180 is a `hidden beast` number, since 4 + 41 + 540 + 1 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 140466 + ... + 143574.

It is an arithmetic number, because the mean of its divisors is an integer number (14368200).

Almost surely, 2^441540180 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 441540180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (689673600).

441540180 is an abundant number, since it is smaller than the sum of its proper divisors (937807020).

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

441540180 is a wasteful number, since it uses less digits than its factorization.

441540180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3390 (or 3382 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 441540180 is about 21012.8574924973. The cubic root of 441540180 is about 761.4769179622.

The spelling of 441540180 in words is "four hundred forty-one million, five hundred forty thousand, one hundred eighty".