258125680 has 20 divisors (see below), whose sum is σ = 600142392. Its totient is φ = 103250240.

The previous prime is 258125677. The next prime is 258125759. The reversal of 258125680 is 86521852.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

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, 1613206 + ... + 1613365.

Almost surely, 2^258125680 is an apocalyptic number.

258125680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258125680 is an abundant number, since it is smaller than the sum of its proper divisors (342016712).

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

258125680 is a wasteful number, since it uses less digits than its factorization.

258125680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3226584 (or 3226578 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 37.

The square root of 258125680 is about 16066.2901753952. The cubic root of 258125680 is about 636.7130301967.

The spelling of 258125680 in words is "two hundred fifty-eight million, one hundred twenty-five thousand, six hundred eighty".