258272628 has 12 divisors (see below), whose sum is σ = 602636160. Its totient is φ = 86090872.

The previous prime is 258272611. The next prime is 258272629. The reversal of 258272628 is 826272852.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 258272628.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258272629) 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, 10761348 + ... + 10761371.

It is an arithmetic number, because the mean of its divisors is an integer number (50219680).

Almost surely, 2^258272628 is an apocalyptic number.

It is an amenable number.

258272628 is an abundant number, since it is smaller than the sum of its proper divisors (344363532).

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

258272628 is a wasteful number, since it uses less digits than its factorization.

258272628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21522726 (or 21522724 counting only the distinct ones).

The product of its digits is 215040, while the sum is 42.

The square root of 258272628 is about 16070.8627024189. The cubic root of 258272628 is about 636.8338317600.

The spelling of 258272628 in words is "two hundred fifty-eight million, two hundred seventy-two thousand, six hundred twenty-eight".