252448446 has 8 divisors (see below), whose sum is σ = 504896904. Its totient is φ = 84149480.

The previous prime is 252448387. The next prime is 252448457. The reversal of 252448446 is 644844252.

It is a sphenic number, since it is the product of 3 distinct primes.

252448446 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21037365 + ... + 21037376.

It is an arithmetic number, because the mean of its divisors is an integer number (63112113).

Almost surely, 2^252448446 is an apocalyptic number.

252448446 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

252448446 is a wasteful number, since it uses less digits than its factorization.

252448446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42074746.

The product of its digits is 245760, while the sum is 39.

The square root of 252448446 is about 15888.6263094076. The cubic root of 252448446 is about 632.0104131570.

The spelling of 252448446 in words is "two hundred fifty-two million, four hundred forty-eight thousand, four hundred forty-six".