258731330 has 128 divisors (see below), whose sum is σ = 600929280. Its totient is φ = 78704640.

The previous prime is 258731327. The next prime is 258731357. The reversal of 258731330 is 33137852.

It is a super-2 number, since 2×258731330² = 133883802247137800, which contains 22 as substring.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 704807 + ... + 705173.

It is an arithmetic number, because the mean of its divisors is an integer number (4694760).

Almost surely, 2^258731330 is an apocalyptic number.

258731330 is an abundant number, since it is smaller than the sum of its proper divisors (342197950).

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

258731330 is a wasteful number, since it uses less digits than its factorization.

258731330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its (nonzero) digits is 15120, while the sum is 32.

The square root of 258731330 is about 16085.1276028510. The cubic root of 258731330 is about 637.2106224767.

The spelling of 258731330 in words is "two hundred fifty-eight million, seven hundred thirty-one thousand, three hundred thirty".