260406211440444 has 12 divisors (see below), whose sum is σ = 607614493361064. Its totient is φ = 86802070480144.

The previous prime is 260406211440421. The next prime is 260406211440467. The reversal of 260406211440444 is 444044112604062.

It is an interprime number because it is at equal distance from previous prime (260406211440421) and next prime (260406211440467).

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×260406211440444² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260406211440396 and 260406211440405.

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, 10850258810007 + ... + 10850258810030.

It is an arithmetic number, because the mean of its divisors is an integer number (50634541113422).

Almost surely, 2^{260406211440444} is an apocalyptic number.

It is an amenable number.

260406211440444 is an abundant number, since it is smaller than the sum of its proper divisors (347208281920620).

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

260406211440444 is a wasteful number, since it uses less digits than its factorization.

260406211440444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21700517620044 (or 21700517620042 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 42.

The spelling of 260406211440444 in words is "two hundred sixty trillion, four hundred six billion, two hundred eleven million, four hundred forty thousand, four hundred forty-four".