4551630252 has 144 divisors (see below), whose sum is σ = 12424952736. Its totient is φ = 1284710400.

The previous prime is 4551630197. The next prime is 4551630263. The reversal of 4551630252 is 2520361554.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4457502 + ... + 4458522.

It is an arithmetic number, because the mean of its divisors is an integer number (86284394).

Almost surely, 2^4551630252 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 4551630252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6212476368).

4551630252 is an abundant number, since it is smaller than the sum of its proper divisors (7873322484).

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

4551630252 is a wasteful number, since it uses less digits than its factorization.

4551630252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1097 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 4551630252 is about 67465.7709657275. The cubic root of 4551630252 is about 1657.2536788309.

The spelling of 4551630252 in words is "four billion, five hundred fifty-one million, six hundred thirty thousand, two hundred fifty-two".