4481551844 has 24 divisors (see below), whose sum is σ = 9777931968. Its totient is φ = 1746059040.

The previous prime is 4481551799. The next prime is 4481551897.

4481551844 is nontrivially palindromic in base 10.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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 = 4481551795 and 4481551804.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7274939 + ... + 7275554.

It is an arithmetic number, because the mean of its divisors is an integer number (407413832).

Almost surely, 2^4481551844 is an apocalyptic number.

4481551844 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4481551844 is an abundant number, since it is smaller than the sum of its proper divisors (5296380124).

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

4481551844 is a wasteful number, since it uses less digits than its factorization.

4481551844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14550515 (or 14550513 counting only the distinct ones).

The product of its digits is 409600, while the sum is 44.

The square root of 4481551844 is about 66944.3936711656. The cubic root of 4481551844 is about 1648.7044429455.

The spelling of 4481551844 in words is "four billion, four hundred eighty-one million, five hundred fifty-one thousand, eight hundred forty-four".