63260240 has 20 divisors (see below), whose sum is σ = 147080244. Its totient is φ = 25304064.

The previous prime is 63260227. The next prime is 63260251. The reversal of 63260240 is 4206236.

It can be written as a sum of positive squares in 2 ways, for example, as 47831056 + 15429184 = 6916^2 + 3928^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

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, 395297 + ... + 395456.

Almost surely, 2^63260240 is an apocalyptic number.

It is an amenable number.

63260240 is an abundant number, since it is smaller than the sum of its proper divisors (83820004).

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

63260240 is a wasteful number, since it uses less digits than its factorization.

63260240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 790766 (or 790760 counting only the distinct ones).

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

The square root of 63260240 is about 7953.6306175230. The cubic root of 63260240 is about 398.4528569193.

Adding to 63260240 its reverse (4206236), we get a palindrome (67466476).

The spelling of 63260240 in words is "sixty-three million, two hundred sixty thousand, two hundred forty".