4449669444 has 96 divisors (see below), whose sum is σ = 12990996480. Its totient is φ = 1304877600.

The previous prime is 4449669439. The next prime is 4449669449.

4449669444 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (4449669439) and next prime (4449669449).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (4449669449) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 23584 + ... + 97239.

It is an arithmetic number, because the mean of its divisors is an integer number (135322880).

Almost surely, 2^4449669444 is an apocalyptic number.

4449669444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4449669444 is an abundant number, since it is smaller than the sum of its proper divisors (8541327036).

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

4449669444 is a wasteful number, since it uses less digits than its factorization.

4449669444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120878 (or 120870 counting only the distinct ones).

The product of its digits is 11943936, while the sum is 54.

The square root of 4449669444 is about 66705.8426526493. The cubic root of 4449669444 is about 1644.7854284172.

The spelling of 4449669444 in words is "four billion, four hundred forty-nine million, six hundred sixty-nine thousand, four hundred forty-four".