1057245648 has 40 divisors (see below), whose sum is σ = 2732408448. Its totient is φ = 352261632.

The previous prime is 1057245647. The next prime is 1057245661. The reversal of 1057245648 is 8465427501.

It is a happy number.

It is a super-2 number, since 2×1057245648² = 2235536720429879808, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1057245647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 179161 + ... + 184967.

Almost surely, 2^1057245648 is an apocalyptic number.

It is an amenable number.

1057245648 is an abundant number, since it is smaller than the sum of its proper divisors (1675162800).

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

1057245648 is a wasteful number, since it uses less digits than its factorization.

1057245648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9611 (or 9605 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 1057245648 is about 32515.3140535348. The cubic root of 1057245648 is about 1018.7289203462.

The spelling of 1057245648 in words is "one billion, fifty-seven million, two hundred forty-five thousand, six hundred forty-eight".