444340720 has 40 divisors (see below), whose sum is σ = 1047656160. Its totient is φ = 175230720.

The previous prime is 444340709. The next prime is 444340723. The reversal of 444340720 is 27043444.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444340723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33435 + ... + 44794.

It is an arithmetic number, because the mean of its divisors is an integer number (26191404).

Almost surely, 2^444340720 is an apocalyptic number.

444340720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

444340720 is an abundant number, since it is smaller than the sum of its proper divisors (603315440).

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

444340720 is a wasteful number, since it uses less digits than its factorization.

444340720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78313 (or 78307 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 444340720 is about 21079.3908830402. The cubic root of 444340720 is about 763.0834563255.

The spelling of 444340720 in words is "four hundred forty-four million, three hundred forty thousand, seven hundred twenty".