240400404224 has 36 divisors (see below), whose sum is σ = 500725310736. Its totient is φ = 114974103552.

The previous prime is 240400404217. The next prime is 240400404239. The reversal of 240400404224 is 422404004042.

It is a junction number, because it is equal to n+sod(n) for n = 240400404193 and 240400404202.

It is a congruent number.

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, 20408549 + ... + 20420324.

Almost surely, 2^240400404224 is an apocalyptic number.

It is an amenable number.

240400404224 is an abundant number, since it is smaller than the sum of its proper divisors (260324906512).

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

240400404224 is an equidigital number, since it uses as much as digits as its factorization.

240400404224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40828912 (or 40828898 counting only the distinct ones).

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

Adding to 240400404224 its reverse (422404004042), we get a palindrome (662804408266).

The spelling of 240400404224 in words is "two hundred forty billion, four hundred million, four hundred four thousand, two hundred twenty-four".