260628228 has 36 divisors (see below), whose sum is σ = 752926720. Its totient is φ = 74465136.

The previous prime is 260628227. The next prime is 260628229. The reversal of 260628228 is 822826062.

260628228 is a `hidden beast` number, since 2 + 6 + 0 + 628 + 2 + 28 = 666.

260628228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (260628227) and next prime (260628229).

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 260628192 and 260628201.

It is not an unprimeable number, because it can be changed into a prime (260628227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 516868 + ... + 517371.

Almost surely, 2^260628228 is an apocalyptic number.

260628228 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

260628228 is an abundant number, since it is smaller than the sum of its proper divisors (492298492).

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

260628228 is a wasteful number, since it uses less digits than its factorization.

260628228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034256 (or 1034251 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 36.

The square root of 260628228 is about 16143.9842665929. The cubic root of 260628228 is about 638.7640763950.

The spelling of 260628228 in words is "two hundred sixty million, six hundred twenty-eight thousand, two hundred twenty-eight".