4449149144 has 32 divisors (see below), whose sum is σ = 9414349200. Its totient is φ = 1952603520.

The previous prime is 4449149129. The next prime is 4449149179. The reversal of 4449149144 is 4419419444.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 4449149095 and 4449149104.

It is a congruent number.

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, 869147 + ... + 874250.

Almost surely, 2^4449149144 is an apocalyptic number.

4449149144 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4449149144 is an abundant number, since it is smaller than the sum of its proper divisors (4965200056).

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

4449149144 is a wasteful number, since it uses less digits than its factorization.

4449149144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1743443 (or 1743439 counting only the distinct ones).

The product of its digits is 331776, while the sum is 44.

The square root of 4449149144 is about 66701.9425804077. The cubic root of 4449149144 is about 1644.7213176462.

The spelling of 4449149144 in words is "four billion, four hundred forty-nine million, one hundred forty-nine thousand, one hundred forty-four".