4463553644 has 24 divisors (see below), whose sum is σ = 8969822400. Its totient is φ = 1922104080.

The previous prime is 4463553613. The next prime is 4463553667.

4463553644 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×4463553644² = 39846622265731357472, which contains 22 as substring.

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 = 4463553595 and 4463553604.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2668754 + ... + 2670425.

It is an arithmetic number, because the mean of its divisors is an integer number (373742600).

Almost surely, 2^4463553644 is an apocalyptic number.

4463553644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4463553644 is an abundant number, since it is smaller than the sum of its proper divisors (4506268756).

4463553644 is a wasteful number, since it uses less digits than its factorization.

4463553644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5339213 (or 5339211 counting only the distinct ones).

The product of its digits is 2073600, while the sum is 44.

The square root of 4463553644 is about 66809.8319411148. The cubic root of 4463553644 is about 1646.4943807430.

The spelling of 4463553644 in words is "four billion, four hundred sixty-three million, five hundred fifty-three thousand, six hundred forty-four".