4461111644 has 48 divisors (see below), whose sum is σ = 9328646880. Its totient is φ = 1842677760.

The previous prime is 4461111623. The next prime is 4461111649.

4461111644 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 4461111644.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4461111649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81137 + ... + 124520.

It is an arithmetic number, because the mean of its divisors is an integer number (194346810).

Almost surely, 2^4461111644 is an apocalyptic number.

4461111644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4461111644 is an abundant number, since it is smaller than the sum of its proper divisors (4867535236).

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

4461111644 is a wasteful number, since it uses less digits than its factorization.

4461111644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205718 (or 205716 counting only the distinct ones).

The product of its digits is 9216, while the sum is 32.

The square root of 4461111644 is about 66791.5536875734. The cubic root of 4461111644 is about 1646.1940615304.

The spelling of 4461111644 in words is "four billion, four hundred sixty-one million, one hundred eleven thousand, six hundred forty-four".