244340427654221 has 8 divisors (see below), whose sum is σ = 245438052069600. Its totient is φ = 243243069636240.

The previous prime is 244340427654209. The next prime is 244340427654283. The reversal of 244340427654221 is 122456724043442.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 244340427654221 - 2⁶ = 244340427654157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 244340427654221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244340427954221) 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 7 ways as a sum of consecutive naturals, for example, 64760711 + ... + 68429748.

It is an arithmetic number, because the mean of its divisors is an integer number (30679756508700).

Almost surely, 2^{244340427654221} is an apocalyptic number.

It is an amenable number.

244340427654221 is a deficient number, since it is larger than the sum of its proper divisors (1097624415379).

244340427654221 is a wasteful number, since it uses less digits than its factorization.

244340427654221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133198699.

The product of its (nonzero) digits is 10321920, while the sum is 50.

The spelling of 244340427654221 in words is "two hundred forty-four trillion, three hundred forty billion, four hundred twenty-seven million, six hundred fifty-four thousand, two hundred twenty-one".