241440140 has 12 divisors (see below), whose sum is σ = 507024336. Its totient is φ = 96576048.

The previous prime is 241440113. The next prime is 241440149. The reversal of 241440140 is 41044142.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 12072007 = 241440140 / (2 + 4 + 1 + 4 + 4 + 0 + 1 + 4 + 0).

It is not an unprimeable number, because it can be changed into a prime (241440149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6035984 + ... + 6036023.

It is an arithmetic number, because the mean of its divisors is an integer number (42252028).

Almost surely, 2^241440140 is an apocalyptic number.

241440140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

241440140 is an abundant number, since it is smaller than the sum of its proper divisors (265584196).

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

241440140 is a wasteful number, since it uses less digits than its factorization.

241440140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12072016 (or 12072014 counting only the distinct ones).

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

The square root of 241440140 is about 15538.3441846292. The cubic root of 241440140 is about 622.6870370160.

Adding to 241440140 its reverse (41044142), we get a palindrome (282484282).

The spelling of 241440140 in words is "two hundred forty-one million, four hundred forty thousand, one hundred forty".