258017428220 has 48 divisors (see below), whose sum is σ = 544402840800. Its totient is φ = 102719003904.

The previous prime is 258017428199. The next prime is 258017428237. The reversal of 258017428220 is 22824710852.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 4999106 + ... + 5050454.

It is an arithmetic number, because the mean of its divisors is an integer number (11341725850).

Almost surely, 2^258017428220 is an apocalyptic number.

258017428220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258017428220 is an abundant number, since it is smaller than the sum of its proper divisors (286385412580).

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

258017428220 is a wasteful number, since it uses less digits than its factorization.

258017428220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52542 (or 52540 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 41.

The spelling of 258017428220 in words is "two hundred fifty-eight billion, seventeen million, four hundred twenty-eight thousand, two hundred twenty".