240240140 has 72 divisors (see below), whose sum is σ = 600625872. Its totient is φ = 80438400.

The previous prime is 240240139. The next prime is 240240167. The reversal of 240240140 is 41042042.

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, 39290 + ... + 44990.

It is an arithmetic number, because the mean of its divisors is an integer number (8342026).

Almost surely, 2^240240140 is an apocalyptic number.

240240140 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 240240140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300312936).

240240140 is an abundant number, since it is smaller than the sum of its proper divisors (360385732).

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

240240140 is a wasteful number, since it uses less digits than its factorization.

240240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5767 (or 5758 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 240240140 is about 15499.6819322204. The cubic root of 240240140 is about 621.6537017695.

Adding to 240240140 its reverse (41042042), we get a palindrome (281282182).

The spelling of 240240140 in words is "two hundred forty million, two hundred forty thousand, one hundred forty".