4528861344 has 144 divisors (see below), whose sum is σ = 15032279808. Its totient is φ = 1266402816.

The previous prime is 4528861333. The next prime is 4528861367. The reversal of 4528861344 is 4431688254.

4528861344 is a `hidden beast` number, since 4 + 5 + 28 + 8 + 613 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a self number, because there is not a number n which added to its sum of digits gives 4528861344.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 70854 + ... + 118650.

It is an arithmetic number, because the mean of its divisors is an integer number (104390832).

Almost surely, 2^4528861344 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 4528861344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7516139904).

4528861344 is an abundant number, since it is smaller than the sum of its proper divisors (10503418464).

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

4528861344 is a wasteful number, since it uses less digits than its factorization.

4528861344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47867 (or 47856 counting only the distinct ones).

The product of its digits is 737280, while the sum is 45.

The square root of 4528861344 is about 67296.8152589705. The cubic root of 4528861344 is about 1654.4856631688.

The spelling of 4528861344 in words is "four billion, five hundred twenty-eight million, eight hundred sixty-one thousand, three hundred forty-four".