201144198528 has 384 divisors, whose sum is σ = 743367905280. Its totient is φ = 50741932032.

The previous prime is 201144198527. The next prime is 201144198571. The reversal of 201144198528 is 825891441102.

201144198528 is a `hidden beast` number, since 2 + 0 + 114 + 4 + 1 + 9 + 8 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201144198527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2369425 + ... + 2452847.

It is an arithmetic number, because the mean of its divisors is an integer number (1935853920).

Almost surely, 2^201144198528 is an apocalyptic number.

201144198528 is a gapful number since it is divisible by the number (28) 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 201144198528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371683952640).

201144198528 is an abundant number, since it is smaller than the sum of its proper divisors (542223706752).

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

201144198528 is a wasteful number, since it uses less digits than its factorization.

201144198528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83486 (or 83471 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The spelling of 201144198528 in words is "two hundred one billion, one hundred forty-four million, one hundred ninety-eight thousand, five hundred twenty-eight".