636435314120226 has 16 divisors (see below), whose sum is σ = 1273087066098528. Its totient is φ = 212109031730400.

The previous prime is 636435314120191. The next prime is 636435314120233. The reversal of 636435314120226 is 622021413534636.

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, 9018205860 + ... + 9018276431.

It is an arithmetic number, because the mean of its divisors is an integer number (79567941631158).

Almost surely, 2^{636435314120226} is an apocalyptic number.

636435314120226 is an abundant number, since it is smaller than the sum of its proper divisors (636651751978302).

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

636435314120226 is a wasteful number, since it uses less digits than its factorization.

636435314120226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18036488177.

The product of its (nonzero) digits is 3732480, while the sum is 48.

The spelling of 636435314120226 in words is "six hundred thirty-six trillion, four hundred thirty-five billion, three hundred fourteen million, one hundred twenty thousand, two hundred twenty-six".