244444581399 has 8 divisors (see below), whose sum is σ = 325930587760. Its totient is φ = 162960814656.

The previous prime is 244444581379. The next prime is 244444581419. The reversal of 244444581399 is 993185444442.

It is an interprime number because it is at equal distance from previous prime (244444581379) and next prime (244444581419).

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

It is a de Polignac number, because none of the positive numbers 2^k-244444581399 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 (244444581349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286102 + ... + 755475.

It is an arithmetic number, because the mean of its divisors is an integer number (40741323470).

Almost surely, 2^244444581399 is an apocalyptic number.

244444581399 is a deficient number, since it is larger than the sum of its proper divisors (81486006361).

244444581399 is a wasteful number, since it uses less digits than its factorization.

244444581399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119809.

The product of its digits is 19906560, while the sum is 57.

The spelling of 244444581399 in words is "two hundred forty-four billion, four hundred forty-four million, five hundred eighty-one thousand, three hundred ninety-nine".