4644633852 has 192 divisors, whose sum is σ = 13361241600. Its totient is φ = 1388620800.

The previous prime is 4644633841. The next prime is 4644633887. The reversal of 4644633852 is 2583364464.

4644633852 is a `hidden beast` number, since 4 + 6 + 4 + 4 + 633 + 8 + 5 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4644633798 and 4644633807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4418727 + ... + 4419777.

It is an arithmetic number, because the mean of its divisors is an integer number (69589800).

Almost surely, 2^4644633852 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4644633852, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6680620800).

4644633852 is an abundant number, since it is smaller than the sum of its proper divisors (8716607748).

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

4644633852 is a wasteful number, since it uses less digits than its factorization.

4644633852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1193 (or 1185 counting only the distinct ones).

The product of its digits is 1658880, while the sum is 45.

The square root of 4644633852 is about 68151.5506206572. The cubic root of 4644633852 is about 1668.4652317511.

The spelling of 4644633852 in words is "four billion, six hundred forty-four million, six hundred thirty-three thousand, eight hundred fifty-two".