240404240240 has 20 divisors (see below), whose sum is σ = 558939858744. Its totient is φ = 96161696064.

The previous prime is 240404240203. The next prime is 240404240267. The reversal of 240404240240 is 42042404042.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1502526422 + ... + 1502526581.

Almost surely, 2^240404240240 is an apocalyptic number.

240404240240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240404240240 is an abundant number, since it is smaller than the sum of its proper divisors (318535618504).

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

240404240240 is a wasteful number, since it uses less digits than its factorization.

240404240240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3005053016 (or 3005053010 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 240404240240 its reverse (42042404042), we get a palindrome (282446644282).

The spelling of 240404240240 in words is "two hundred forty billion, four hundred four million, two hundred forty thousand, two hundred forty".