240304404140 has 12 divisors (see below), whose sum is σ = 504639248736. Its totient is φ = 96121761648.

The previous prime is 240304404139. The next prime is 240304404143. The reversal of 240304404140 is 41404403042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (240304404143) 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, 6007610084 + ... + 6007610123.

It is an arithmetic number, because the mean of its divisors is an integer number (42053270728).

Almost surely, 2^240304404140 is an apocalyptic number.

240304404140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240304404140 is an abundant number, since it is smaller than the sum of its proper divisors (264334844596).

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

240304404140 is a wasteful number, since it uses less digits than its factorization.

240304404140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12015220216 (or 12015220214 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 240304404140 its reverse (41404403042), we get a palindrome (281708807182).

The spelling of 240304404140 in words is "two hundred forty billion, three hundred four million, four hundred four thousand, one hundred forty".