4551443532 has 72 divisors (see below), whose sum is σ = 11786895120. Its totient is φ = 1480066560.

The previous prime is 4551443459. The next prime is 4551443581. The reversal of 4551443532 is 2353441554.

4551443532 is a `hidden beast` number, since 4 + 551 + 44 + 35 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 23 ways as a sum of consecutive naturals, for example, 1994232 + ... + 1996512.

Almost surely, 2^4551443532 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 4551443532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5893447560).

4551443532 is an abundant number, since it is smaller than the sum of its proper divisors (7235451588).

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

4551443532 is a wasteful number, since it uses less digits than its factorization.

4551443532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3623 (or 3618 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 4551443532 is about 67464.3871386971. The cubic root of 4551443532 is about 1657.2310168672.

The spelling of 4551443532 in words is "four billion, five hundred fifty-one million, four hundred forty-three thousand, five hundred thirty-two".