4874332644 has 144 divisors (see below), whose sum is σ = 13013145600. Its totient is φ = 1536288768.

The previous prime is 4874332621. The next prime is 4874332649. The reversal of 4874332644 is 4462334784.

It is a self number, because there is not a number n which added to its sum of digits gives 4874332644.

It is not an unprimeable number, because it can be changed into a prime (4874332649) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 12860847 + ... + 12861225.

Almost surely, 2^4874332644 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 4874332644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6506572800).

4874332644 is an abundant number, since it is smaller than the sum of its proper divisors (8138812956).

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

4874332644 is a wasteful number, since it uses less digits than its factorization.

4874332644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642 (or 637 counting only the distinct ones).

The product of its digits is 1548288, while the sum is 45.

The square root of 4874332644 is about 69816.4210196999. The cubic root of 4874332644 is about 1695.5283454872.

The spelling of 4874332644 in words is "four billion, eight hundred seventy-four million, three hundred thirty-two thousand, six hundred forty-four".