636320324046 has 32 divisors (see below), whose sum is σ = 1433120265216. Its totient is φ = 186604200000.

The previous prime is 636320324021. The next prime is 636320324069. The reversal of 636320324046 is 640423023636.

636320324046 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 636320323995 and 636320324013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155501455 + ... + 155505546.

It is an arithmetic number, because the mean of its divisors is an integer number (44785008288).

Almost surely, 2^636320324046 is an apocalyptic number.

636320324046 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

636320324046 is an abundant number, since it is smaller than the sum of its proper divisors (796799941170).

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

636320324046 is a wasteful number, since it uses less digits than its factorization.

636320324046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311007048.

The product of its (nonzero) digits is 373248, while the sum is 39.

The spelling of 636320324046 in words is "six hundred thirty-six billion, three hundred twenty million, three hundred twenty-four thousand, forty-six".