63268440 has 32 divisors (see below), whose sum is σ = 189805680. Its totient is φ = 16871552.

The previous prime is 63268421. The next prime is 63268463. The reversal of 63268440 is 4486236.

63268440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 263499 + ... + 263738.

Almost surely, 2^63268440 is an apocalyptic number.

63268440 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63268440 is an abundant number, since it is smaller than the sum of its proper divisors (126537240).

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

63268440 is a wasteful number, since it uses less digits than its factorization.

63268440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 527251 (or 527247 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 63268440 is about 7954.1460886760. The cubic root of 63268440 is about 398.4700724313.

The spelling of 63268440 in words is "sixty-three million, two hundred sixty-eight thousand, four hundred forty".