4352089644 has 144 divisors (see below), whose sum is σ = 13104000000. Its totient is φ = 1216835424.

The previous prime is 4352089613. The next prime is 4352089663. The reversal of 4352089644 is 4469802534.

4352089644 is a `hidden beast` number, since 4 + 3 + 520 + 89 + 6 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 4352089644.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 576607 + ... + 584105.

It is an arithmetic number, because the mean of its divisors is an integer number (91000000).

Almost surely, 2^4352089644 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 4352089644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6552000000).

4352089644 is an abundant number, since it is smaller than the sum of its proper divisors (8751910356).

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

4352089644 is a wasteful number, since it uses less digits than its factorization.

4352089644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7577 (or 7558 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 4352089644 is about 65970.3694396204. The cubic root of 4352089644 is about 1632.6732507356.

The spelling of 4352089644 in words is "four billion, three hundred fifty-two million, eighty-nine thousand, six hundred forty-four".