240304004405540 has 12 divisors (see below), whose sum is σ = 504638409251676. Its totient is φ = 96121601762208.

The previous prime is 240304004405513. The next prime is 240304004405551. The reversal of 240304004405540 is 45504400403042.

It can be written as a sum of positive squares in 2 ways, for example, as 144633382955044 + 95670621450496 = 12026362^2 + 9781136^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240304004405540.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6007600110119 + ... + 6007600110158.

It is an arithmetic number, because the mean of its divisors is an integer number (42053200770973).

Almost surely, 2^{240304004405540} is an apocalyptic number.

240304004405540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240304004405540 is an abundant number, since it is smaller than the sum of its proper divisors (264334404846136).

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

240304004405540 is a wasteful number, since it uses less digits than its factorization.

240304004405540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12015200220286 (or 12015200220284 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 240304004405540 its reverse (45504400403042), we get a palindrome (285808404808582).

The spelling of 240304004405540 in words is "two hundred forty trillion, three hundred four billion, four million, four hundred five thousand, five hundred forty".