244155405212 has 6 divisors (see below), whose sum is σ = 427271959128. Its totient is φ = 122077702604.

The previous prime is 244155405113. The next prime is 244155405233. The reversal of 244155405212 is 212504551442.

It is a super-2 number, since 2×244155405212² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30519425648 + ... + 30519425655.

It is an arithmetic number, because the mean of its divisors is an integer number (71211993188).

Almost surely, 2^244155405212 is an apocalyptic number.

It is an amenable number.

244155405212 is a deficient number, since it is larger than the sum of its proper divisors (183116553916).

244155405212 is a wasteful number, since it uses less digits than its factorization.

244155405212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61038851307 (or 61038851305 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 244155405212 its reverse (212504551442), we get a palindrome (456659956654).

The spelling of 244155405212 in words is "two hundred forty-four billion, one hundred fifty-five million, four hundred five thousand, two hundred twelve".