260410221 has 36 divisors (see below), whose sum is σ = 401034816. Its totient is φ = 168787800.

The previous prime is 260410217. The next prime is 260410231. The reversal of 260410221 is 122014062.

It is not a de Polignac number, because 260410221 - 2² = 260410217 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 260410194 and 260410203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260410201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1724496 + ... + 1724646.

It is an arithmetic number, because the mean of its divisors is an integer number (11139856).

Almost surely, 2^260410221 is an apocalyptic number.

It is an amenable number.

260410221 is a deficient number, since it is larger than the sum of its proper divisors (140624595).

260410221 is an frugal number, since it uses more digits than its factorization.

260410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 364 (or 201 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 260410221 is about 16137.2308962845. The cubic root of 260410221 is about 638.5859249510.

Adding to 260410221 its reverse (122014062), we get a palindrome (382424283).

The spelling of 260410221 in words is "two hundred sixty million, four hundred ten thousand, two hundred twenty-one".