244677761714221 has 48 divisors (see below), whose sum is σ = 274101692889024. Its totient is φ = 218212106112000.

The previous prime is 244677761714207. The next prime is 244677761714227. The reversal of 244677761714221 is 122417167776442.

It is a happy number.

It is not a de Polignac number, because 244677761714221 - 2⁹ = 244677761713709 is a prime.

It is a super-2 number, since 2×244677761714221² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 244677761714221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (244677761714227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1357563891 + ... + 1357744111.

It is an arithmetic number, because the mean of its divisors is an integer number (5710451935188).

Almost surely, 2^{244677761714221} is an apocalyptic number.

It is an amenable number.

244677761714221 is a deficient number, since it is larger than the sum of its proper divisors (29423931174803).

244677761714221 is a wasteful number, since it uses less digits than its factorization.

244677761714221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181354 (or 181343 counting only the distinct ones).

The product of its digits is 44255232, while the sum is 61.

The spelling of 244677761714221 in words is "two hundred forty-four trillion, six hundred seventy-seven billion, seven hundred sixty-one million, seven hundred fourteen thousand, two hundred twenty-one".