258048840 has 64 divisors (see below), whose sum is σ = 884741760. Its totient is φ = 58982400.

The previous prime is 258048821. The next prime is 258048851. The reversal of 258048840 is 48840852.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 152761 + ... + 154440.

It is an arithmetic number, because the mean of its divisors is an integer number (13824090).

Almost surely, 2^258048840 is an apocalyptic number.

258048840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258048840 is an abundant number, since it is smaller than the sum of its proper divisors (626692920).

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

258048840 is a wasteful number, since it uses less digits than its factorization.

258048840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 307222 (or 307218 counting only the distinct ones).

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 258048840 is about 16063.8986550588. The cubic root of 258048840 is about 636.6498440712.

The spelling of 258048840 in words is "two hundred fifty-eight million, forty-eight thousand, eight hundred forty".