4644455552 has 32 divisors (see below), whose sum is σ = 10093777200. Its totient is φ = 2111115520.

The previous prime is 4644455549. The next prime is 4644455587. The reversal of 4644455552 is 2555544464.

It is a tau number, because it is divible by the number of its divisors (32).

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1647902 + ... + 1650717.

Almost surely, 2^4644455552 is an apocalyptic number.

It is an amenable number.

4644455552 is an abundant number, since it is smaller than the sum of its proper divisors (5449321648).

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

4644455552 is a wasteful number, since it uses less digits than its factorization.

4644455552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298644 (or 3298632 counting only the distinct ones).

The product of its digits is 1920000, while the sum is 44.

The square root of 4644455552 is about 68150.2424940660. The cubic root of 4644455552 is about 1668.4438815818.

The spelling of 4644455552 in words is "four billion, six hundred forty-four million, four hundred fifty-five thousand, five hundred fifty-two".