258469591220 has 48 divisors (see below), whose sum is σ = 553348989648. Its totient is φ = 101378135040.

The previous prime is 258469591213. The next prime is 258469591223. The reversal of 258469591220 is 22195964852.

It can be written as a sum of positive squares in 8 ways, for example, as 81940207504 + 176529383716 = 286252^2 + 420154^2 .

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258469591223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1775432 + ... + 1915488.

It is an arithmetic number, because the mean of its divisors is an integer number (11528103951).

Almost surely, 2^258469591220 is an apocalyptic number.

258469591220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

258469591220 is an abundant number, since it is smaller than the sum of its proper divisors (294879398428).

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

258469591220 is a wasteful number, since it uses less digits than its factorization.

258469591220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141860 (or 141858 counting only the distinct ones).

The product of its (nonzero) digits is 3110400, while the sum is 53.

The spelling of 258469591220 in words is "two hundred fifty-eight billion, four hundred sixty-nine million, five hundred ninety-one thousand, two hundred twenty".