444407700 has 72 divisors (see below), whose sum is σ = 1402722720. Its totient is φ = 107734400.

The previous prime is 444407699. The next prime is 444407707. The reversal of 444407700 is 7704444.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444407707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64035 + ... + 70634.

It is an arithmetic number, because the mean of its divisors is an integer number (19482260).

Almost surely, 2^444407700 is an apocalyptic number.

It is an amenable number.

444407700 is an abundant number, since it is smaller than the sum of its proper divisors (958315020).

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

444407700 is a wasteful number, since it uses less digits than its factorization.

444407700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134697 (or 134690 counting only the distinct ones).

The product of its (nonzero) digits is 12544, while the sum is 30.

The square root of 444407700 is about 21080.9795787577. The cubic root of 444407700 is about 763.1217968448.

The spelling of 444407700 in words is "four hundred forty-four million, four hundred seven thousand, seven hundred".