260028620 has 24 divisors (see below), whose sum is σ = 563676288. Its totient is φ = 100656000.

The previous prime is 260028599. The next prime is 260028631. The reversal of 260028620 is 26820062.

260028620 is digitally balanced in base 3 and base 9, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260028620² = 135229766438208800, which contains 22 as substring.

260028620 is strictly pandigital in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 260028620.

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 7 ways as a sum of consecutive naturals, for example, 209081 + ... + 210320.

It is an arithmetic number, because the mean of its divisors is an integer number (23486512).

Almost surely, 2^260028620 is an apocalyptic number.

260028620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

260028620 is an abundant number, since it is smaller than the sum of its proper divisors (303647668).

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

260028620 is a wasteful number, since it uses less digits than its factorization.

260028620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419441 (or 419439 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 260028620 is about 16125.4029407020. The cubic root of 260028620 is about 638.2738479079.

Adding to 260028620 its reverse (26820062), we get a palindrome (286848682).

The spelling of 260028620 in words is "two hundred sixty million, twenty-eight thousand, six hundred twenty".