244009485720 has 2304 divisors, whose sum is σ = 1185340262400. Its totient is φ = 43429478400.

The previous prime is 244009485667. The next prime is 244009485767. The reversal of 244009485720 is 27584900442.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 3436753285 + ... + 3436753355.

It is an arithmetic number, because the mean of its divisors is an integer number (514470600).

Almost surely, 2^244009485720 is an apocalyptic number.

244009485720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 244009485720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (592670131200).

244009485720 is an abundant number, since it is smaller than the sum of its proper divisors (941330776680).

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

244009485720 is a wasteful number, since it uses less digits than its factorization.

244009485720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 244009485720 in words is "two hundred forty-four billion, nine million, four hundred eighty-five thousand, seven hundred twenty".