241991280 has 160 divisors (see below), whose sum is σ = 869944320. Its totient is φ = 61712640.

The previous prime is 241991251. The next prime is 241991327. The reversal of 241991280 is 82199142.

241991280 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 47245 + ... + 52115.

It is an arithmetic number, because the mean of its divisors is an integer number (5437152).

Almost surely, 2^241991280 is an apocalyptic number.

241991280 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 241991280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434972160).

241991280 is an abundant number, since it is smaller than the sum of its proper divisors (627953040).

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

241991280 is a wasteful number, since it uses less digits than its factorization.

241991280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4916 (or 4904 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 241991280 is about 15556.0689121642. The cubic root of 241991280 is about 623.1604834646.

The spelling of 241991280 in words is "two hundred forty-one million, nine hundred ninety-one thousand, two hundred eighty".