200128344221904 has 240 divisors, whose sum is σ = 603791980589952. Its totient is φ = 56952757349376.

The previous prime is 200128344221891. The next prime is 200128344221929. The reversal of 200128344221904 is 409122443821002.

It is a super-2 number, since 2×200128344221904² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4338050422 + ... + 4338096554.

Almost surely, 2^{200128344221904} is an apocalyptic number.

200128344221904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 200128344221904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (301895990294976).

200128344221904 is an abundant number, since it is smaller than the sum of its proper divisors (403663636368048).

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

200128344221904 is a wasteful number, since it uses less digits than its factorization.

200128344221904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53434 (or 53421 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 200128344221904 in words is "two hundred trillion, one hundred twenty-eight billion, three hundred forty-four million, two hundred twenty-one thousand, nine hundred four".