444713540 has 24 divisors (see below), whose sum is σ = 988834392. Its totient is φ = 167421440.

The previous prime is 444713531. The next prime is 444713551. The reversal of 444713540 is 45317444.

444713540 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28879876 + 415833664 = 5374^2 + 20392^2 .

It is a junction number, because it is equal to n+sod(n) for n = 444713497 and 444713506.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 653651 + ... + 654330.

It is an arithmetic number, because the mean of its divisors is an integer number (41201433).

Almost surely, 2^444713540 is an apocalyptic number.

It is an amenable number.

444713540 is an abundant number, since it is smaller than the sum of its proper divisors (544120852).

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

444713540 is a wasteful number, since it uses less digits than its factorization.

444713540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1308007 (or 1308005 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 444713540 is about 21088.2322635161. The cubic root of 444713540 is about 763.2968160525.

The spelling of 444713540 in words is "four hundred forty-four million, seven hundred thirteen thousand, five hundred forty".