4538663532 has 144 divisors (see below), whose sum is σ = 13123524960. Its totient is φ = 1311012864.

The previous prime is 4538663489. The next prime is 4538663543. The reversal of 4538663532 is 2353668354.

4538663532 is a `hidden beast` number, since 4 + 5 + 3 + 8 + 6 + 635 + 3 + 2 = 666.

It is an unprimeable number.

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, 1002538 + ... + 1007054.

It is an arithmetic number, because the mean of its divisors is an integer number (91135590).

Almost surely, 2^4538663532 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 4538663532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6561762480).

4538663532 is an abundant number, since it is smaller than the sum of its proper divisors (8584861428).

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

4538663532 is a wasteful number, since it uses less digits than its factorization.

4538663532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4672 (or 4667 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 45.

The square root of 4538663532 is about 67369.6039174938. The cubic root of 4538663532 is about 1655.6784496099.

The spelling of 4538663532 in words is "four billion, five hundred thirty-eight million, six hundred sixty-three thousand, five hundred thirty-two".