201442554441 has 6 divisors (see below), whose sum is σ = 290972578650. Its totient is φ = 134295036288.

The previous prime is 201442554407. The next prime is 201442554461. The reversal of 201442554441 is 144455244102.

201442554441 is a `hidden beast` number, since 2 + 0 + 144 + 25 + 54 + 441 = 666.

It can be written as a sum of positive squares in only one way, i.e., 128453427216 + 72989127225 = 358404^2 + 270165^2 .

It is not a de Polignac number, because 201442554441 - 2¹⁴ = 201442538057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201442554396 and 201442554405.

It is not an unprimeable number, because it can be changed into a prime (201442554461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11191253016 + ... + 11191253033.

It is an arithmetic number, because the mean of its divisors is an integer number (48495429775).

Almost surely, 2^201442554441 is an apocalyptic number.

It is an amenable number.

201442554441 is a deficient number, since it is larger than the sum of its proper divisors (89530024209).

201442554441 is a wasteful number, since it uses less digits than its factorization.

201442554441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22382506055 (or 22382506052 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

Adding to 201442554441 its reverse (144455244102), we get a palindrome (345897798543).

The spelling of 201442554441 in words is "two hundred one billion, four hundred forty-two million, five hundred fifty-four thousand, four hundred forty-one".