4461441644 has 24 divisors (see below), whose sum is σ = 8528553936. Its totient is φ = 2025248000.

The previous prime is 4461441643. The next prime is 4461441653.

4461441644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4461441598 and 4461441607.

It is not an unprimeable number, because it can be changed into a prime (4461441641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33137 + ... + 100104.

It is an arithmetic number, because the mean of its divisors is an integer number (355356414).

Almost surely, 2^4461441644 is an apocalyptic number.

4461441644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4461441644 is a deficient number, since it is larger than the sum of its proper divisors (4067112292).

4461441644 is a wasteful number, since it uses less digits than its factorization.

4461441644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134017 (or 134015 counting only the distinct ones).

The product of its digits is 147456, while the sum is 38.

The square root of 4461441644 is about 66794.0240141287. The cubic root of 4461441644 is about 1646.2346516112.

The spelling of 4461441644 in words is "four billion, four hundred sixty-one million, four hundred forty-one thousand, six hundred forty-four".