260554728 has 64 divisors (see below), whose sum is σ = 749445120. Its totient is φ = 73944000.

The previous prime is 260554717. The next prime is 260554769. The reversal of 260554728 is 827455062.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20233 + ... + 30503.

It is an arithmetic number, because the mean of its divisors is an integer number (11710080).

Almost surely, 2^260554728 is an apocalyptic number.

260554728 is a gapful number since it is divisible by the number (28) 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 260554728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (374722560).

260554728 is an abundant number, since it is smaller than the sum of its proper divisors (488890392).

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

260554728 is a wasteful number, since it uses less digits than its factorization.

260554728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10438 (or 10434 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 39.

The square root of 260554728 is about 16141.7077163477. The cubic root of 260554728 is about 638.7040246064.

The spelling of 260554728 in words is "two hundred sixty million, five hundred fifty-four thousand, seven hundred twenty-eight".