244864646244 has 135 divisors (see below), whose sum is σ = 658779449097. Its totient is φ = 79308675936.

The previous prime is 244864646237. The next prime is 244864646249. The reversal of 244864646244 is 442646468442.

The square root of 244864646244 is 494838.

It is a perfect power (a square), and thus also a powerful number.

244864646244 is a `hidden beast` number, since 2 + 4 + 4 + 8 + 6 + 4 + 6 + 4 + 624 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 219108248100 + 25756398144 = 468090^2 + 160488^2 .

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (244864646249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 329561737 + ... + 329562479.

Almost surely, 2^244864646244 is an apocalyptic number.

244864646244 is the 494838-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244864646244

244864646244 is an abundant number, since it is smaller than the sum of its proper divisors (413914802853).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

244864646244 is an frugal number, since it uses more digits than its factorization.

244864646244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1576 (or 785 counting only the distinct ones).

The product of its digits is 28311552, while the sum is 54.

The spelling of 244864646244 in words is "two hundred forty-four billion, eight hundred sixty-four million, six hundred forty-six thousand, two hundred forty-four".