63585240 has 64 divisors (see below), whose sum is σ = 195924960. Its totient is φ = 16496640.

The previous prime is 63585169. The next prime is 63585281. The reversal of 63585240 is 4258536.

Added to its reverse (4258536) it gives a triangular number (67843776 = T₁₁₆₄₈).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2721 + ... + 11600.

Almost surely, 2^63585240 is an apocalyptic number.

63585240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63585240 is an abundant number, since it is smaller than the sum of its proper divisors (132339720).

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

63585240 is a wasteful number, since it uses less digits than its factorization.

63585240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14372 (or 14368 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 33.

The square root of 63585240 is about 7974.0353648576. The cubic root of 63585240 is about 399.1340433171.

Adding to 63585240 its reverse (4258536), we get a triangular number (67843776 = T₁₁₆₄₈).

The spelling of 63585240 in words is "sixty-three million, five hundred eighty-five thousand, two hundred forty".