4551123332 has 36 divisors (see below), whose sum is σ = 9291473100. Its totient is φ = 1944863424.

The previous prime is 4551123301. The next prime is 4551123383. The reversal of 4551123332 is 2333211554.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3997274176 + 553849156 = 63224^2 + 23534^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4551123295 and 4551123304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35138 + ... + 101670.

It is an arithmetic number, because the mean of its divisors is an integer number (258096475).

Almost surely, 2^4551123332 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 4551123332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4645736550).

4551123332 is an abundant number, since it is smaller than the sum of its proper divisors (4740349768).

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

4551123332 is a wasteful number, since it uses less digits than its factorization.

4551123332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66900 (or 66891 counting only the distinct ones).

The product of its digits is 10800, while the sum is 29.

The square root of 4551123332 is about 67462.0139930613. The cubic root of 4551123332 is about 1657.1921531666.

Adding to 4551123332 its reverse (2333211554), we get a palindrome (6884334886).

The spelling of 4551123332 in words is "four billion, five hundred fifty-one million, one hundred twenty-three thousand, three hundred thirty-two".