63441320 has 32 divisors (see below), whose sum is σ = 143008200. Its totient is φ = 25329408.

The previous prime is 63441319. The next prime is 63441353. The reversal of 63441320 is 2314436.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 48246916 + 15194404 = 6946^2 + 3898^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27242 + ... + 29478.

Almost surely, 2^63441320 is an apocalyptic number.

It is an amenable number.

63441320 is an abundant number, since it is smaller than the sum of its proper divisors (79566880).

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

63441320 is a wasteful number, since it uses less digits than its factorization.

63441320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2957 (or 2953 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 63441320 is about 7965.0059635885. The cubic root of 63441320 is about 398.8326800575.

Adding to 63441320 its reverse (2314436), we get a palindrome (65755756).

The spelling of 63441320 in words is "sixty-three million, four hundred forty-one thousand, three hundred twenty".