244505355666 has 128 divisors (see below), whose sum is σ = 591769221120. Its totient is φ = 66358656000.

The previous prime is 244505355649. The next prime is 244505355713. The reversal of 244505355666 is 666553505442.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5549050 + ... + 5592938.

It is an arithmetic number, because the mean of its divisors is an integer number (4623197040).

Almost surely, 2^244505355666 is an apocalyptic number.

244505355666 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 244505355666, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295884610560).

244505355666 is an abundant number, since it is smaller than the sum of its proper divisors (347263865454).

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

244505355666 is a wasteful number, since it uses less digits than its factorization.

244505355666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44112.

The product of its (nonzero) digits is 12960000, while the sum is 51.

The spelling of 244505355666 in words is "two hundred forty-four billion, five hundred five million, three hundred fifty-five thousand, six hundred sixty-six".