244040321461 has 4 divisors (see below), whose sum is σ = 244211339232. Its totient is φ = 243869303692.

The previous prime is 244040321449. The next prime is 244040321467. The reversal of 244040321461 is 164123040442.

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 not a de Polignac number, because 244040321461 - 2¹⁹ = 244039797173 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 (244040321467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85506745 + ... + 85509598.

It is an arithmetic number, because the mean of its divisors is an integer number (61052834808).

Almost surely, 2^244040321461 is an apocalyptic number.

It is an amenable number.

244040321461 is a deficient number, since it is larger than the sum of its proper divisors (171017771).

244040321461 is a wasteful number, since it uses less digits than its factorization.

244040321461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171017770.

The product of its (nonzero) digits is 18432, while the sum is 31.

The spelling of 244040321461 in words is "two hundred forty-four billion, forty million, three hundred twenty-one thousand, four hundred sixty-one".