633268820 has 48 divisors (see below), whose sum is σ = 1349913600. Its totient is φ = 249511680.

The previous prime is 633268807. The next prime is 633268847. The reversal of 633268820 is 28862336.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 638525 + ... + 639515.

It is an arithmetic number, because the mean of its divisors is an integer number (28123200).

Almost surely, 2^633268820 is an apocalyptic number.

It is an amenable number.

633268820 is an abundant number, since it is smaller than the sum of its proper divisors (716644780).

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

633268820 is a wasteful number, since it uses less digits than its factorization.

633268820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1448 (or 1446 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 633268820 is about 25164.8330016315. The cubic root of 633268820 is about 858.7419951977.

The spelling of 633268820 in words is "six hundred thirty-three million, two hundred sixty-eight thousand, eight hundred twenty".