1444461669 has 24 divisors (see below), whose sum is σ = 2435247360. Its totient is φ = 807843168.

The previous prime is 1444461583. The next prime is 1444461677. The reversal of 1444461669 is 9661644441.

1444461669 is a `hidden beast` number, since 1 + 44 + 446 + 166 + 9 = 666.

It is not a de Polignac number, because 1444461669 - 2¹⁶ = 1444396133 is a prime.

It is a super-2 number, since 2×1444461669² = 4172939026420531122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444461679) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 240954 + ... + 246875.

It is an arithmetic number, because the mean of its divisors is an integer number (101468640).

Almost surely, 2^1444461669 is an apocalyptic number.

It is an amenable number.

1444461669 is a deficient number, since it is larger than the sum of its proper divisors (990785691).

1444461669 is a wasteful number, since it uses less digits than its factorization.

1444461669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487889 (or 487886 counting only the distinct ones).

The product of its digits is 497664, while the sum is 45.

The square root of 1444461669 is about 38006.0741066477. The cubic root of 1444461669 is about 1130.4083075594.

The spelling of 1444461669 in words is "one billion, four hundred forty-four million, four hundred sixty-one thousand, six hundred sixty-nine".