636012028435422 has 16 divisors (see below), whose sum is σ = 1272313745845632. Its totient is φ = 211955727982680.

The previous prime is 636012028435363. The next prime is 636012028435423. The reversal of 636012028435422 is 224534820210636.

636012028435422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×636012028435422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636012028435423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12070345408 + ... + 12070398099.

It is an arithmetic number, because the mean of its divisors is an integer number (79519609115352).

Almost surely, 2^{636012028435422} is an apocalyptic number.

636012028435422 is an abundant number, since it is smaller than the sum of its proper divisors (636301717410210).

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

636012028435422 is a wasteful number, since it uses less digits than its factorization.

636012028435422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24140747903.

The product of its (nonzero) digits is 3317760, while the sum is 48.

The spelling of 636012028435422 in words is "six hundred thirty-six trillion, twelve billion, twenty-eight million, four hundred thirty-five thousand, four hundred twenty-two".