240404242424 has 32 divisors (see below), whose sum is σ = 455442015600. Its totient is φ = 118954195200.

The previous prime is 240404242399. The next prime is 240404242499. The reversal of 240404242424 is 424242404042.

It is a super-2 number, since 2×240404242424² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1616699 + ... + 1759125.

Almost surely, 2^240404242424 is an apocalyptic number.

It is an amenable number.

240404242424 is a deficient number, since it is larger than the sum of its proper divisors (215037773176).

240404242424 is a wasteful number, since it uses less digits than its factorization.

240404242424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144623 (or 144619 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 240404242424 its reverse (424242404042), we get a palindrome (664646646466).

The spelling of 240404242424 in words is "two hundred forty billion, four hundred four million, two hundred forty-two thousand, four hundred twenty-four".