260028428 has 12 divisors (see below), whose sum is σ = 496417992. Its totient is φ = 118194720.

The previous prime is 260028427. The next prime is 260028449. The reversal of 260028428 is 824820062.

It is a happy number.

260028428 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×260028428² = 135229566736302368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 260028394 and 260028403.

It is not an unprimeable number, because it can be changed into a prime (260028427) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2954825 + ... + 2954912.

It is an arithmetic number, because the mean of its divisors is an integer number (41368166).

Almost surely, 2^260028428 is an apocalyptic number.

It is an amenable number.

260028428 is a deficient number, since it is larger than the sum of its proper divisors (236389564).

260028428 is a wasteful number, since it uses less digits than its factorization.

260028428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5909752 (or 5909750 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 32.

The square root of 260028428 is about 16125.3969873613. The cubic root of 260028428 is about 638.2736908116.

The spelling of 260028428 in words is "two hundred sixty million, twenty-eight thousand, four hundred twenty-eight".