244401440231 has 16 divisors (see below), whose sum is σ = 264116256768. Its totient is φ = 224817679200.

The previous prime is 244401440141. The next prime is 244401440233. The reversal of 244401440231 is 132044104442.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244401440231 is a prime.

It is a super-2 number, since 2×244401440231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244401440194 and 244401440203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244401440233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27936800 + ... + 27945546.

It is an arithmetic number, because the mean of its divisors is an integer number (16507266048).

Almost surely, 2^244401440231 is an apocalyptic number.

244401440231 is a deficient number, since it is larger than the sum of its proper divisors (19714816537).

244401440231 is a wasteful number, since it uses less digits than its factorization.

244401440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15982.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 244401440231 its reverse (132044104442), we get a palindrome (376445544673).

The spelling of 244401440231 in words is "two hundred forty-four billion, four hundred one million, four hundred forty thousand, two hundred thirty-one".