63268290 has 80 divisors (see below), whose sum is σ = 179118720. Its totient is φ = 15979680.

The previous prime is 63268267. The next prime is 63268291. The reversal of 63268290 is 9286236.

63268290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (63268291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 13335 + ... + 17445.

It is an arithmetic number, because the mean of its divisors is an integer number (2238984).

Almost surely, 2^63268290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63268290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89559360).

63268290 is an abundant number, since it is smaller than the sum of its proper divisors (115850430).

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

63268290 is a wasteful number, since it uses less digits than its factorization.

63268290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4149 (or 4140 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 63268290 is about 7954.1366596256. The cubic root of 63268290 is about 398.4697575268.

The spelling of 63268290 in words is "sixty-three million, two hundred sixty-eight thousand, two hundred ninety".