260028636 has 24 divisors (see below), whose sum is σ = 693409920. Its totient is φ = 74293872.

The previous prime is 260028631. The next prime is 260028647. The reversal of 260028636 is 636820062.

It is a super-2 number, since 2×260028636² = 135229783080040992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260028597 and 260028606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260028631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1547706 + ... + 1547873.

It is an arithmetic number, because the mean of its divisors is an integer number (28892080).

Almost surely, 2^260028636 is an apocalyptic number.

It is an amenable number.

260028636 is an abundant number, since it is smaller than the sum of its proper divisors (433381284).

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

260028636 is a wasteful number, since it uses less digits than its factorization.

260028636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3095593 (or 3095591 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 33.

The square root of 260028636 is about 16125.4034368136. The cubic root of 260028636 is about 638.2738609993.

Adding to 260028636 its reverse (636820062), we get a palindrome (896848698).

The spelling of 260028636 in words is "two hundred sixty million, twenty-eight thousand, six hundred thirty-six".