444505340 has 24 divisors (see below), whose sum is σ = 934409952. Its totient is φ = 177621440.

The previous prime is 444505339. The next prime is 444505349. The reversal of 444505340 is 43505444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444505349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9842 + ... + 31398.

It is an arithmetic number, because the mean of its divisors is an integer number (38933748).

Almost surely, 2^444505340 is an apocalyptic number.

It is an amenable number.

444505340 is an abundant number, since it is smaller than the sum of its proper divisors (489904612).

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

444505340 is a wasteful number, since it uses less digits than its factorization.

444505340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22597 (or 22595 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 444505340 is about 21083.2952832331. The cubic root of 444505340 is about 763.1776807820.

The spelling of 444505340 in words is "four hundred forty-four million, five hundred five thousand, three hundred forty".