63240560 has 40 divisors (see below), whose sum is σ = 147627456. Its totient is φ = 25194240.

The previous prime is 63240559. The next prime is 63240571. The reversal of 63240560 is 6504236.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×63240560² = 7998736858227200, which contains 22 as substring.

It is a congruent number.

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, 20222 + ... + 23138.

Almost surely, 2^63240560 is an apocalyptic number.

It is an amenable number.

63240560 is an abundant number, since it is smaller than the sum of its proper divisors (84386896).

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

63240560 is a wasteful number, since it uses less digits than its factorization.

63240560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201 (or 3195 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 63240560 is about 7952.3933504323. The cubic root of 63240560 is about 398.4115336199.

Adding to 63240560 its reverse (6504236), we get a palindrome (69744796).

The spelling of 63240560 in words is "sixty-three million, two hundred forty thousand, five hundred sixty".