636056224 has 48 divisors (see below), whose sum is σ = 1341966528. Its totient is φ = 295693312.

The previous prime is 636056219. The next prime is 636056249. The reversal of 636056224 is 422650636.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a self number, because there is not a number n which added to its sum of digits gives 636056224.

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, 38109 + ... + 52195.

It is an arithmetic number, because the mean of its divisors is an integer number (27957636).

Almost surely, 2^636056224 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 636056224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (670983264).

636056224 is an abundant number, since it is smaller than the sum of its proper divisors (705910304).

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

636056224 is a wasteful number, since it uses less digits than its factorization.

636056224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14197 (or 14189 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 636056224 is about 25220.1551145111. The cubic root of 636056224 is about 860.0001009555. Note that the first 3 decimals are identical.

The spelling of 636056224 in words is "six hundred thirty-six million, fifty-six thousand, two hundred twenty-four".