4552121320 has 64 divisors (see below), whose sum is σ = 10342553040. Its totient is φ = 1803110400.

The previous prime is 4552121281. The next prime is 4552121323. The reversal of 4552121320 is 231212554.

It can be written as a sum of positive squares in 8 ways, for example, as 3694451524 + 857669796 = 60782^2 + 29286^2 .

It is not an unprimeable number, because it can be changed into a prime (4552121323) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1943350 + ... + 1945690.

Almost surely, 2^4552121320 is an apocalyptic number.

4552121320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4552121320 is an abundant number, since it is smaller than the sum of its proper divisors (5790431720).

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

4552121320 is a wasteful number, since it uses less digits than its factorization.

4552121320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2806 (or 2802 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4552121320 is about 67469.4102538328. The cubic root of 4552121320 is about 1657.3132761575.

Adding to 4552121320 its reverse (231212554), we get a palindrome (4783333874).

The spelling of 4552121320 in words is "four billion, five hundred fifty-two million, one hundred twenty-one thousand, three hundred twenty".