636350364 has 96 divisors (see below), whose sum is σ = 1838088000. Its totient is φ = 189036288.

The previous prime is 636350357. The next prime is 636350369. The reversal of 636350364 is 463053636.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636350369) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32902 + ... + 48530.

It is an arithmetic number, because the mean of its divisors is an integer number (19146750).

Almost surely, 2^636350364 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 636350364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919044000).

636350364 is an abundant number, since it is smaller than the sum of its proper divisors (1201737636).

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

636350364 is a wasteful number, since it uses less digits than its factorization.

636350364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15684 (or 15676 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 36.

The square root of 636350364 is about 25225.9858875724. The cubic root of 636350364 is about 860.1326476481.

The spelling of 636350364 in words is "six hundred thirty-six million, three hundred fifty thousand, three hundred sixty-four".