258399887452 has 24 divisors (see below), whose sum is σ = 519056555360. Its totient is φ = 110259213120.

The previous prime is 258399887437. The next prime is 258399887453. The reversal of 258399887452 is 254788993852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258399887453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20143299 + ... + 20156122.

Almost surely, 2^258399887452 is an apocalyptic number.

It is an amenable number.

258399887452 is an abundant number, since it is smaller than the sum of its proper divisors (260656667908).

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

258399887452 is a wasteful number, since it uses less digits than its factorization.

258399887452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40299661 (or 40299659 counting only the distinct ones).

The product of its digits is 348364800, while the sum is 70.

The spelling of 258399887452 in words is "two hundred fifty-eight billion, three hundred ninety-nine million, eight hundred eighty-seven thousand, four hundred fifty-two".