258830140 has 12 divisors (see below), whose sum is σ = 543543336. Its totient is φ = 103532048.

The previous prime is 258830119. The next prime is 258830153. The reversal of 258830140 is 41038852.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6470734 + ... + 6470773.

It is an arithmetic number, because the mean of its divisors is an integer number (45295278).

Almost surely, 2^258830140 is an apocalyptic number.

258830140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258830140 is an abundant number, since it is smaller than the sum of its proper divisors (284713196).

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

258830140 is a wasteful number, since it uses less digits than its factorization.

258830140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12941516 (or 12941514 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 258830140 is about 16088.1987804726. The cubic root of 258830140 is about 637.2917294794.

Adding to 258830140 its reverse (41038852), we get a palindrome (299868992).

The spelling of 258830140 in words is "two hundred fifty-eight million, eight hundred thirty thousand, one hundred forty".