260006003406 has 128 divisors (see below), whose sum is σ = 608529715200. Its totient is φ = 82211643360.

The previous prime is 260006003381. The next prime is 260006003417. The reversal of 260006003406 is 604300600062.

260006003406 is a `hidden beast` number, since 26 + 0 + 0 + 0 + 600 + 34 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 260006003406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11033985 + ... + 11057523.

It is an arithmetic number, because the mean of its divisors is an integer number (4754138400).

Almost surely, 2^260006003406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260006003406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (304264857600).

260006003406 is an abundant number, since it is smaller than the sum of its proper divisors (348523711794).

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

260006003406 is a wasteful number, since it uses less digits than its factorization.

260006003406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731 (or 23725 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 260006003406 its reverse (604300600062), we get a palindrome (864306603468).

The spelling of 260006003406 in words is "two hundred sixty billion, six million, three thousand, four hundred six".