258394258716 has 48 divisors (see below), whose sum is σ = 670140874368. Its totient is φ = 76823905600.

The previous prime is 258394258711. The next prime is 258394258723. The reversal of 258394258716 is 617852493852.

It is a super-2 number, since 2×258394258716² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 258394258716.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258394258711) 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, 18460290 + ... + 18474281.

It is an arithmetic number, because the mean of its divisors is an integer number (13961268216).

Almost surely, 2^258394258716 is an apocalyptic number.

It is an amenable number.

258394258716 is an abundant number, since it is smaller than the sum of its proper divisors (411746615652).

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

258394258716 is a wasteful number, since it uses less digits than its factorization.

258394258716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36934642 (or 36934640 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 60.

The spelling of 258394258716 in words is "two hundred fifty-eight billion, three hundred ninety-four million, two hundred fifty-eight thousand, seven hundred sixteen".