444440460 has 96 divisors (see below), whose sum is σ = 1279660032. Its totient is φ = 115198720.

The previous prime is 444440453. The next prime is 444440473. The reversal of 444440460 is 64044444.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 487405 + ... + 488315.

It is an arithmetic number, because the mean of its divisors is an integer number (13329792).

Almost surely, 2^444440460 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 444440460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639830016).

444440460 is an abundant number, since it is smaller than the sum of its proper divisors (835219572).

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

444440460 is a wasteful number, since it uses less digits than its factorization.

444440460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1143 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

The square root of 444440460 is about 21081.7565681800. The cubic root of 444440460 is about 763.1405478369.

The spelling of 444440460 in words is "four hundred forty-four million, four hundred forty thousand, four hundred sixty".