252786448 has 20 divisors (see below), whose sum is σ = 490555408. Its totient is φ = 126191520.

The previous prime is 252786421. The next prime is 252786461. The reversal of 252786448 is 844687252.

It is a junction number, because it is equal to n+sod(n) for n = 252786398 and 252786407.

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, 1998 + ... + 22573.

Almost surely, 2^252786448 is an apocalyptic number.

It is an amenable number.

252786448 is a deficient number, since it is larger than the sum of its proper divisors (237768960).

252786448 is a wasteful number, since it uses less digits than its factorization.

252786448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25222 (or 25216 counting only the distinct ones).

The product of its digits is 860160, while the sum is 46.

The square root of 252786448 is about 15899.2593538190. The cubic root of 252786448 is about 632.2923525909.

The spelling of 252786448 in words is "two hundred fifty-two million, seven hundred eighty-six thousand, four hundred forty-eight".