260558620 has 72 divisors (see below), whose sum is σ = 647940384. Its totient is φ = 86214912.

The previous prime is 260558611. The next prime is 260558671. The reversal of 260558620 is 26855062.

It is a zygodrome in base 2.

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 23 ways as a sum of consecutive naturals, for example, 116634 + ... + 118846.

It is an arithmetic number, because the mean of its divisors is an integer number (8999172).

Almost surely, 2^260558620 is an apocalyptic number.

260558620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 260558620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323970192).

260558620 is an abundant number, since it is smaller than the sum of its proper divisors (387381764).

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

260558620 is a wasteful number, since it uses less digits than its factorization.

260558620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2287 (or 2256 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 34.

The square root of 260558620 is about 16141.8282731542. The cubic root of 260558620 is about 638.7072047748.

The spelling of 260558620 in words is "two hundred sixty million, five hundred fifty-eight thousand, six hundred twenty".