260465121008406 has 48 divisors (see below), whose sum is σ = 567812130526368. Its totient is φ = 86288298624000.

The previous prime is 260465121008387. The next prime is 260465121008459. The reversal of 260465121008406 is 604800121564062.

It is a happy number.

260465121008406 is a `hidden beast` number, since 2 + 6 + 0 + 46 + 512 + 10 + 0 + 84 + 0 + 6 = 666.

It is a super-2 number, since 2×260465121008406² (a number of 30 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 23 ways as a sum of consecutive naturals, for example, 19638795 + ... + 30110006.

It is an arithmetic number, because the mean of its divisors is an integer number (11829419385966).

Almost surely, 2^{260465121008406} is an apocalyptic number.

260465121008406 is an abundant number, since it is smaller than the sum of its proper divisors (307347009517962).

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

260465121008406 is a wasteful number, since it uses less digits than its factorization.

260465121008406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49750597 (or 49750594 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 45.

The spelling of 260465121008406 in words is "two hundred sixty trillion, four hundred sixty-five billion, one hundred twenty-one million, eight thousand, four hundred six".