258042232 has 48 divisors (see below), whose sum is σ = 582255000. Its totient is φ = 106771392.

The previous prime is 258042227. The next prime is 258042263. The reversal of 258042232 is 232240852.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a self number, because there is not a number n which added to its sum of digits gives 258042232.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19 + ... + 22717.

Almost surely, 2^258042232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 258042232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (291127500).

258042232 is an abundant number, since it is smaller than the sum of its proper divisors (324212768).

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

258042232 is a wasteful number, since it uses less digits than its factorization.

258042232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748 (or 22737 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 258042232 is about 16063.6929751536. The cubic root of 258042232 is about 636.6444096761.

The spelling of 258042232 in words is "two hundred fifty-eight million, forty-two thousand, two hundred thirty-two".