201440551041 has 6 divisors (see below), whose sum is σ = 290969684850. Its totient is φ = 134293700688.

The previous prime is 201440551031. The next prime is 201440551049. The reversal of 201440551041 is 140155044102.

201440551041 is a `hidden beast` number, since 2 + 0 + 144 + 0 + 5 + 510 + 4 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 149397710400 + 52042840641 = 386520^2 + 228129^2 .

It is not a de Polignac number, because 201440551041 - 2³⁰ = 200366809217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201440550996 and 201440551014.

It is not an unprimeable number, because it can be changed into a prime (201440551049) 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, 11191141716 + ... + 11191141733.

It is an arithmetic number, because the mean of its divisors is an integer number (48494947475).

Almost surely, 2^201440551041 is an apocalyptic number.

It is an amenable number.

201440551041 is a deficient number, since it is larger than the sum of its proper divisors (89529133809).

201440551041 is a wasteful number, since it uses less digits than its factorization.

201440551041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22382283455 (or 22382283452 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 27.

Adding to 201440551041 its reverse (140155044102), we get a palindrome (341595595143).

The spelling of 201440551041 in words is "two hundred one billion, four hundred forty million, five hundred fifty-one thousand, forty-one".