4557994532 has 48 divisors (see below), whose sum is σ = 9831773952. Its totient is φ = 1800489600.

The previous prime is 4557994471. The next prime is 4557994537. The reversal of 4557994532 is 2354997554.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4557994537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246233 + ... + 264095.

It is an arithmetic number, because the mean of its divisors is an integer number (204828624).

Almost surely, 2^4557994532 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 4557994532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4915886976).

4557994532 is an abundant number, since it is smaller than the sum of its proper divisors (5273779420).

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

4557994532 is a wasteful number, since it uses less digits than its factorization.

4557994532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18588 (or 18586 counting only the distinct ones).

The product of its digits is 6804000, while the sum is 53.

The square root of 4557994532 is about 67512.9212225334. The cubic root of 4557994532 is about 1658.0257329314.

The spelling of 4557994532 in words is "four billion, five hundred fifty-seven million, nine hundred ninety-four thousand, five hundred thirty-two".