4531520320 has 28 divisors (see below), whose sum is σ = 10790683524. Its totient is φ = 1812608000.

The previous prime is 4531520317. The next prime is 4531520327. The reversal of 4531520320 is 230251354.

It can be written as a sum of positive squares in 2 ways, for example, as 2743245376 + 1788274944 = 52376^2 + 42288^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4531520327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7080181 + ... + 7080820.

Almost surely, 2^4531520320 is an apocalyptic number.

4531520320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4531520320 is an abundant number, since it is smaller than the sum of its proper divisors (6259163204).

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

4531520320 is a wasteful number, since it uses less digits than its factorization.

4531520320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14161018 (or 14161008 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 4531520320 is about 67316.5679457888. The cubic root of 4531520320 is about 1654.8093925907.

Adding to 4531520320 its reverse (230251354), we get a palindrome (4761771674).

It can be divided in two parts, 4531520 and 320, that multiplied together give a square (1450086400 = 38080²).

The spelling of 4531520320 in words is "four billion, five hundred thirty-one million, five hundred twenty thousand, three hundred twenty".