244040334133 has 4 divisors (see below), whose sum is σ = 251912603008. Its totient is φ = 236168065260.

The previous prime is 244040334089. The next prime is 244040334157. The reversal of 244040334133 is 331433040442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244040334133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 7872268843 = 244040334133 / (2 + 4 + 4 + 0 + 4 + 0 + 3 + 3 + 4 + 1 + 3 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 244040334095 and 244040334104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244040334163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3936134391 + ... + 3936134452.

It is an arithmetic number, because the mean of its divisors is an integer number (62978150752).

Almost surely, 2^244040334133 is an apocalyptic number.

It is an amenable number.

244040334133 is a deficient number, since it is larger than the sum of its proper divisors (7872268875).

244040334133 is an equidigital number, since it uses as much as digits as its factorization.

244040334133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7872268874.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 244040334133 its reverse (331433040442), we get a palindrome (575473374575).

The spelling of 244040334133 in words is "two hundred forty-four billion, forty million, three hundred thirty-four thousand, one hundred thirty-three".