63960288 has 72 divisors (see below), whose sum is σ = 195321672. Its totient is φ = 18273024.

The previous prime is 63960271. The next prime is 63960301. The reversal of 63960288 is 88206936.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2095 + ... + 11502.

It is an arithmetic number, because the mean of its divisors is an integer number (2712801).

Almost surely, 2^63960288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63960288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97660836).

63960288 is an abundant number, since it is smaller than the sum of its proper divisors (131361384).

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

63960288 is a wasteful number, since it uses less digits than its factorization.

63960288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13624 (or 13609 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 42.

The square root of 63960288 is about 7997.5176148603. The cubic root of 63960288 is about 399.9172495488.

The spelling of 63960288 in words is "sixty-three million, nine hundred sixty thousand, two hundred eighty-eight".