257435448 has 16 divisors (see below), whose sum is σ = 643588680. Its totient is φ = 85811808.

The previous prime is 257435447. The next prime is 257435459. The reversal of 257435448 is 844534752.

257435448 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (257435447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5363215 + ... + 5363262.

Almost surely, 2^257435448 is an apocalyptic number.

It is an amenable number.

257435448 is an abundant number, since it is smaller than the sum of its proper divisors (386153232).

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

257435448 is a wasteful number, since it uses less digits than its factorization.

257435448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10726486 (or 10726482 counting only the distinct ones).

The product of its digits is 537600, while the sum is 42.

The square root of 257435448 is about 16044.7950438764. The cubic root of 257435448 is about 636.1449968051.

The spelling of 257435448 in words is "two hundred fifty-seven million, four hundred thirty-five thousand, four hundred forty-eight".