244155404205 has 12 divisors (see below), whose sum is σ = 423202700700. Its totient is φ = 130216215552.

The previous prime is 244155404197. The next prime is 244155404209. The reversal of 244155404205 is 502404551442.

244155404205 is a `hidden beast` number, since 2 + 4 + 41 + 5 + 5 + 404 + 205 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 62021917764 + 182133486441 = 249042^2 + 426771^2 .

It is not a de Polignac number, because 244155404205 - 2³ = 244155404197 is a prime.

It is a super-2 number, since 2×244155404205² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 244155404205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244155404209) 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 11 ways as a sum of consecutive naturals, for example, 2712837780 + ... + 2712837869.

It is an arithmetic number, because the mean of its divisors is an integer number (35266891725).

Almost surely, 2^244155404205 is an apocalyptic number.

It is an amenable number.

244155404205 is a deficient number, since it is larger than the sum of its proper divisors (179047296495).

244155404205 is a wasteful number, since it uses less digits than its factorization.

244155404205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5425675660 (or 5425675657 counting only the distinct ones).

The product of its (nonzero) digits is 128000, while the sum is 36.

Adding to 244155404205 its reverse (502404551442), we get a palindrome (746559955647).

The spelling of 244155404205 in words is "two hundred forty-four billion, one hundred fifty-five million, four hundred four thousand, two hundred five".