260661726 has 48 divisors (see below), whose sum is σ = 630752304. Its totient is φ = 80201664.

The previous prime is 260661721. The next prime is 260661761. The reversal of 260661726 is 627166062.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260661721) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14311 + ... + 26946.

It is an arithmetic number, because the mean of its divisors is an integer number (13140673).

Almost surely, 2^260661726 is an apocalyptic number.

260661726 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

260661726 is an abundant number, since it is smaller than the sum of its proper divisors (370090578).

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

260661726 is a wasteful number, since it uses less digits than its factorization.

260661726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41287 (or 41275 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 260661726 is about 16145.0217094930. The cubic root of 260661726 is about 638.7914415587.

The spelling of 260661726 in words is "two hundred sixty million, six hundred sixty-one thousand, seven hundred twenty-six".