63163240 has 32 divisors (see below), whose sum is σ = 162420480. Its totient is φ = 21655872.

The previous prime is 63163237. The next prime is 63163307. The reversal of 63163240 is 4236136.

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, 112512 + ... + 113071.

It is an arithmetic number, because the mean of its divisors is an integer number (5075640).

Almost surely, 2^63163240 is an apocalyptic number.

It is an amenable number.

63163240 is an abundant number, since it is smaller than the sum of its proper divisors (99257240).

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

63163240 is a wasteful number, since it uses less digits than its factorization.

63163240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225601 (or 225597 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 63163240 is about 7947.5304340405. The cubic root of 63163240 is about 398.2490970296.

Adding to 63163240 its reverse (4236136), we get a palindrome (67399376).

The spelling of 63163240 in words is "sixty-three million, one hundred sixty-three thousand, two hundred forty".