4532721456 has 20 divisors (see below), whose sum is σ = 11709530552. Its totient is φ = 1510907136.

The previous prime is 4532721443. The next prime is 4532721467. The reversal of 4532721456 is 6541272354.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47215801 + ... + 47215896.

Almost surely, 2^4532721456 is an apocalyptic number.

It is an amenable number.

4532721456 is an abundant number, since it is smaller than the sum of its proper divisors (7176809096).

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

4532721456 is a wasteful number, since it uses less digits than its factorization.

4532721456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94431708 (or 94431702 counting only the distinct ones).

The product of its digits is 201600, while the sum is 39.

The square root of 4532721456 is about 67325.4889027922. The cubic root of 4532721456 is about 1654.9555889666.

The spelling of 4532721456 in words is "four billion, five hundred thirty-two million, seven hundred twenty-one thousand, four hundred fifty-six".