252785448 has 40 divisors (see below), whose sum is σ = 708035130. Its totient is φ = 84261600.

The previous prime is 252785399. The next prime is 252785471. The reversal of 252785448 is 844587252.

252785448 is a `hidden beast` number, since 2 + 527 + 85 + 4 + 48 = 666.

It can be written as a sum of positive squares in only one way, i.e., 192598884 + 60186564 = 13878^2 + 7758^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 194403 + ... + 195698.

Almost surely, 2^252785448 is an apocalyptic number.

It is an amenable number.

252785448 is an abundant number, since it is smaller than the sum of its proper divisors (455249682).

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

252785448 is a wasteful number, since it uses less digits than its factorization.

252785448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390119 (or 390106 counting only the distinct ones).

The product of its digits is 716800, while the sum is 45.

The square root of 252785448 is about 15899.2279057821. The cubic root of 252785448 is about 632.2915188263.

The spelling of 252785448 in words is "two hundred fifty-two million, seven hundred eighty-five thousand, four hundred forty-eight".