260442400404 has 24 divisors (see below), whose sum is σ = 608662024768. Its totient is φ = 86676549120.

The previous prime is 260442400391. The next prime is 260442400409. The reversal of 260442400404 is 404004244062.

260442400404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260442400409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17190157 + ... + 17205300.

Almost surely, 2^260442400404 is an apocalyptic number.

It is an amenable number.

260442400404 is an abundant number, since it is smaller than the sum of its proper divisors (348219624364).

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

260442400404 is a wasteful number, since it uses less digits than its factorization.

260442400404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34396095 (or 34396093 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 260442400404 its reverse (404004244062), we get a palindrome (664446644466).

The spelling of 260442400404 in words is "two hundred sixty billion, four hundred forty-two million, four hundred thousand, four hundred four".