244440401 has 8 divisors (see below), whose sum is σ = 251299104. Its totient is φ = 237624480.

The previous prime is 244440349. The next prime is 244440403. The reversal of 244440401 is 104044442.

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 244440401 - 2¹⁸ = 244178257 is a prime.

It is a super-2 number, since 2×244440401² = 119502219282081602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244440403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1070 + ... + 22136.

It is an arithmetic number, because the mean of its divisors is an integer number (31412388).

Almost surely, 2^244440401 is an apocalyptic number.

It is an amenable number.

244440401 is a deficient number, since it is larger than the sum of its proper divisors (6858703).

244440401 is a wasteful number, since it uses less digits than its factorization.

244440401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21391.

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 244440401 is about 15634.5898890889. The cubic root of 244440401 is about 625.2557042236.

Adding to 244440401 its reverse (104044442), we get a palindrome (348484843).

The spelling of 244440401 in words is "two hundred forty-four million, four hundred forty thousand, four hundred one".