258648460 has 36 divisors (see below), whose sum is σ = 631843632. Its totient is φ = 88679136.

The previous prime is 258648451. The next prime is 258648491. The reversal of 258648460 is 64846852.

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 130984 + ... + 132943.

It is an arithmetic number, because the mean of its divisors is an integer number (17551212).

Almost surely, 2^258648460 is an apocalyptic number.

258648460 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258648460 is an abundant number, since it is smaller than the sum of its proper divisors (373195172).

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

258648460 is a wasteful number, since it uses less digits than its factorization.

258648460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263950 (or 263941 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 43.

The square root of 258648460 is about 16082.5514144989. The cubic root of 258648460 is about 637.1425837083.

The spelling of 258648460 in words is "two hundred fifty-eight million, six hundred forty-eight thousand, four hundred sixty".