210440340210133 has 12 divisors (see below), whose sum is σ = 231437341344384. Its totient is φ = 191204457917000.

The previous prime is 210440340210119. The next prime is 210440340210137. The reversal of 210440340210133 is 331012043044012.

It is a happy number.

It is not a de Polignac number, because 210440340210133 - 2²⁹ = 210439803339221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210440340210137) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 476788843 + ... + 477230008.

It is an arithmetic number, because the mean of its divisors is an integer number (19286445112032).

Almost surely, 2^{210440340210133} is an apocalyptic number.

It is an amenable number.

210440340210133 is a deficient number, since it is larger than the sum of its proper divisors (20997001134251).

210440340210133 is a wasteful number, since it uses less digits than its factorization.

210440340210133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 954020696 (or 954020685 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 210440340210133 its reverse (331012043044012), we get a palindrome (541452383254145).

The spelling of 210440340210133 in words is "two hundred ten trillion, four hundred forty billion, three hundred forty million, two hundred ten thousand, one hundred thirty-three".