4463773644 has 48 divisors (see below), whose sum is σ = 11381440896. Its totient is φ = 1350384000.

The previous prime is 4463773591. The next prime is 4463773681.

4463773644 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4463773593 and 4463773602.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51199 + ... + 107465.

It is an arithmetic number, because the mean of its divisors is an integer number (237113352).

Almost surely, 2^4463773644 is an apocalyptic number.

4463773644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4463773644 is an abundant number, since it is smaller than the sum of its proper divisors (6917667252).

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

4463773644 is a wasteful number, since it uses less digits than its factorization.

4463773644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56886 (or 56884 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 48.

The square root of 4463773644 is about 66811.4783850799. The cubic root of 4463773644 is about 1646.5214311488.

The spelling of 4463773644 in words is "four billion, four hundred sixty-three million, seven hundred seventy-three thousand, six hundred forty-four".