241721280000 has 800 divisors, whose sum is σ = 906215793120. Its totient is φ = 63590400000.

The previous prime is 241721279993. The next prime is 241721280013. The reversal of 241721280000 is 82127142.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 872639862 + ... + 872640138.

Almost surely, 2^241721280000 is an apocalyptic number.

241721280000 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 241721280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453107896560).

241721280000 is an abundant number, since it is smaller than the sum of its proper divisors (664494513120).

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

241721280000 is an equidigital number, since it uses as much as digits as its factorization.

241721280000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425 (or 388 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The spelling of 241721280000 in words is "two hundred forty-one billion, seven hundred twenty-one million, two hundred eighty thousand".