200638126307028 has 24 divisors (see below), whose sum is σ = 468683424724032. Its totient is φ = 66803975910784.

The previous prime is 200638126307027. The next prime is 200638126307053. The reversal of 200638126307028 is 820703621836002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200638126307027) 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, 9424929525 + ... + 9424950812.

It is an arithmetic number, because the mean of its divisors is an integer number (19528476030168).

Almost surely, 2^{200638126307028} is an apocalyptic number.

It is an amenable number.

200638126307028 is an abundant number, since it is smaller than the sum of its proper divisors (268045298417004).

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

200638126307028 is a wasteful number, since it uses less digits than its factorization.

200638126307028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18849881231 (or 18849881229 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 200638126307028 in words is "two hundred trillion, six hundred thirty-eight billion, one hundred twenty-six million, three hundred seven thousand, twenty-eight".