444013340 has 24 divisors (see below), whose sum is σ = 932828400. Its totient is φ = 177529088.

The previous prime is 444013333. The next prime is 444013351. The reversal of 444013340 is 43310444.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78239 + ... + 83721.

It is an arithmetic number, because the mean of its divisors is an integer number (38867850).

Almost surely, 2^444013340 is an apocalyptic number.

It is an amenable number.

444013340 is an abundant number, since it is smaller than the sum of its proper divisors (488815060).

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

444013340 is a wasteful number, since it uses less digits than its factorization.

444013340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9541 (or 9539 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 444013340 is about 21071.6240475195. The cubic root of 444013340 is about 762.8960028472.

Adding to 444013340 its reverse (43310444), we get a palindrome (487323784).

The spelling of 444013340 in words is "four hundred forty-four million, thirteen thousand, three hundred forty".