1000457648 has 20 divisors (see below), whose sum is σ = 1939215168. Its totient is φ = 500015040.

The previous prime is 1000457641. The next prime is 1000457693. The reversal of 1000457648 is 8467540001.

1000457648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (1000457641) 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, 29390 + ... + 53522.

Almost surely, 2^1000457648 is an apocalyptic number.

It is an amenable number.

1000457648 is a deficient number, since it is larger than the sum of its proper divisors (938757520).

1000457648 is a wasteful number, since it uses less digits than its factorization.

1000457648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26732 (or 26726 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 1000457648 is about 31630.0118242153. The cubic root of 1000457648 is about 1000.1525260679.

Adding to 1000457648 its reverse (8467540001), we get a palindrome (9467997649).

The spelling of 1000457648 in words is "one billion, four hundred fifty-seven thousand, six hundred forty-eight".