258453426 has 64 divisors (see below), whose sum is σ = 646179840. Its totient is φ = 66951360.

The previous prime is 258453421. The next prime is 258453427. The reversal of 258453426 is 624354852.

It is a super-2 number, since 2×258453426² = 133596346822274952, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (258453421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 341040 + ... + 341796.

It is an arithmetic number, because the mean of its divisors is an integer number (10096560).

Almost surely, 2^258453426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258453426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323089920).

258453426 is an abundant number, since it is smaller than the sum of its proper divisors (387726414).

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

258453426 is a wasteful number, since it uses less digits than its factorization.

258453426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1519.

The product of its digits is 230400, while the sum is 39.

The square root of 258453426 is about 16076.4867430667. The cubic root of 258453426 is about 636.9823975447.

The spelling of 258453426 in words is "two hundred fifty-eight million, four hundred fifty-three thousand, four hundred twenty-six".