240241140 has 120 divisors (see below), whose sum is σ = 772240392. Its totient is φ = 62484480.

The previous prime is 240241117. The next prime is 240241147. The reversal of 240241140 is 41142042.

It can be written as a sum of positive squares in 4 ways, for example, as 23444964 + 216796176 = 4842^2 + 14724^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240241147) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 64612 + ... + 68228.

Almost surely, 2^240241140 is an apocalyptic number.

240241140 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 240241140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (386120196).

240241140 is an abundant number, since it is smaller than the sum of its proper divisors (531999252).

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

240241140 is a wasteful number, since it uses less digits than its factorization.

240241140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3679 (or 3668 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 240241140 is about 15499.7141909133. The cubic root of 240241140 is about 621.6545643132.

Adding to 240241140 its reverse (41142042), we get a palindrome (281383182).

The spelling of 240241140 in words is "two hundred forty million, two hundred forty-one thousand, one hundred forty".