241401440 has 144 divisors (see below), whose sum is σ = 680508864. Its totient is φ = 80640000.

The previous prime is 241401427. The next prime is 241401463. The reversal of 241401440 is 44104142.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 321065 + ... + 321815.

It is an arithmetic number, because the mean of its divisors is an integer number (4725756).

Almost surely, 2^241401440 is an apocalyptic number.

241401440 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 241401440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (340254432).

241401440 is an abundant number, since it is smaller than the sum of its proper divisors (439107424).

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

241401440 is a wasteful number, since it uses less digits than its factorization.

241401440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821 (or 806 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 241401440 is about 15537.0988282884. The cubic root of 241401440 is about 622.6537654481.

Adding to 241401440 its reverse (44104142), we get a palindrome (285505582).

The spelling of 241401440 in words is "two hundred forty-one million, four hundred one thousand, four hundred forty".