201550240225044 has 144 divisors (see below), whose sum is σ = 544618767813120. Its totient is φ = 62691908590080.

The previous prime is 201550240225013. The next prime is 201550240225057. The reversal of 201550240225044 is 440522042055102.

201550240225044 is a `hidden beast` number, since 2 + 0 + 1 + 5 + 502 + 40 + 22 + 50 + 44 = 666.

201550240225044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 738470197 + ... + 738743075.

It is an arithmetic number, because the mean of its divisors is an integer number (3782074776480).

Almost surely, 2^{201550240225044} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 201550240225044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (272309383906560).

201550240225044 is an abundant number, since it is smaller than the sum of its proper divisors (343068527588076).

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

201550240225044 is a wasteful number, since it uses less digits than its factorization.

201550240225044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294710 (or 294705 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

The spelling of 201550240225044 in words is "two hundred one trillion, five hundred fifty billion, two hundred forty million, two hundred twenty-five thousand, forty-four".