275041400221 has 16 divisors (see below), whose sum is σ = 317238018048. Its totient is φ = 233580870000.

The previous prime is 275041400203. The next prime is 275041400233. The reversal of 275041400221 is 122004140572.

It is a cyclic number.

It is not a de Polignac number, because 275041400221 - 2⁹ = 275041399709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 275041400221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275041440221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74205 + ... + 745378.

It is an arithmetic number, because the mean of its divisors is an integer number (19827376128).

Almost surely, 2^275041400221 is an apocalyptic number.

It is an amenable number.

275041400221 is a deficient number, since it is larger than the sum of its proper divisors (42196617827).

275041400221 is a wasteful number, since it uses less digits than its factorization.

275041400221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 820032.

The product of its (nonzero) digits is 4480, while the sum is 28.

Adding to 275041400221 its reverse (122004140572), we get a palindrome (397045540793).

The spelling of 275041400221 in words is "two hundred seventy-five billion, forty-one million, four hundred thousand, two hundred twenty-one".