241231140 has 72 divisors (see below), whose sum is σ = 735920640. Its totient is φ = 63960384.

The previous prime is 241231121. The next prime is 241231141. The reversal of 241231140 is 41132142.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (241231141) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28477 + ... + 35963.

It is an arithmetic number, because the mean of its divisors is an integer number (10221120).

Almost surely, 2^241231140 is an apocalyptic number.

241231140 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 241231140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367960320).

241231140 is an abundant number, since it is smaller than the sum of its proper divisors (494689500).

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

241231140 is a wasteful number, since it uses less digits than its factorization.

241231140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7681 (or 7676 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 241231140 is about 15531.6174302614. The cubic root of 241231140 is about 622.5073110865.

Adding to 241231140 its reverse (41132142), we get a palindrome (282363282).

The spelling of 241231140 in words is "two hundred forty-one million, two hundred thirty-one thousand, one hundred forty".