258180836 has 12 divisors (see below), whose sum is σ = 478394028. Its totient is φ = 121496832.

The previous prime is 258180827. The next prime is 258180847. The reversal of 258180836 is 638081852.

It can be written as a sum of positive squares in 2 ways, for example, as 139240000 + 118940836 = 11800^2 + 10906^2 .

It is a junction number, because it is equal to n+sod(n) for n = 258180793 and 258180802.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1898321 + ... + 1898456.

It is an arithmetic number, because the mean of its divisors is an integer number (39866169).

Almost surely, 2^258180836 is an apocalyptic number.

It is an amenable number.

258180836 is a deficient number, since it is larger than the sum of its proper divisors (220213192).

258180836 is a wasteful number, since it uses less digits than its factorization.

258180836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3796798 (or 3796796 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The square root of 258180836 is about 16068.0065969616. The cubic root of 258180836 is about 636.7583776708.

The spelling of 258180836 in words is "two hundred fifty-eight million, one hundred eighty thousand, eight hundred thirty-six".