240420442404 has 24 divisors (see below), whose sum is σ = 569353885408. Its totient is φ = 78944025600.

The previous prime is 240420442393. The next prime is 240420442421. The reversal of 240420442404 is 404244024042.

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, 149514397 + ... + 149516004.

Almost surely, 2^240420442404 is an apocalyptic number.

It is an amenable number.

240420442404 is an abundant number, since it is smaller than the sum of its proper divisors (328933443004).

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

240420442404 is a wasteful number, since it uses less digits than its factorization.

240420442404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299030475 (or 299030473 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 240420442404 its reverse (404244024042), we get a palindrome (644664466446).

The spelling of 240420442404 in words is "two hundred forty billion, four hundred twenty million, four hundred forty-two thousand, four hundred four".