63431360 has 28 divisors (see below), whose sum is σ = 151046688. Its totient is φ = 25372416.

The previous prime is 63431359. The next prime is 63431371. The reversal of 63431360 is 6313436.

63431360 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98792 + ... + 99431.

Almost surely, 2^63431360 is an apocalyptic number.

It is an amenable number.

63431360 is an abundant number, since it is smaller than the sum of its proper divisors (87615328).

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

63431360 is a wasteful number, since it uses less digits than its factorization.

63431360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198240 (or 198230 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 63431360 is about 7964.3807041100. The cubic root of 63431360 is about 398.8118073235.

Adding to 63431360 its reverse (6313436), we get a palindrome (69744796).

The spelling of 63431360 in words is "sixty-three million, four hundred thirty-one thousand, three hundred sixty".