1057832648 has 8 divisors (see below), whose sum is σ = 1983436230. Its totient is φ = 528916320.

The previous prime is 1057832603. The next prime is 1057832693. The reversal of 1057832648 is 8462387501.

It is an interprime number because it is at equal distance from previous prime (1057832603) and next prime (1057832693).

It can be written as a sum of positive squares in only one way, i.e., 760546084 + 297286564 = 27578^2 + 17242^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×1057832648² = 2238019822349383808, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1057832599 and 1057832608.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66114533 + ... + 66114548.

Almost surely, 2^1057832648 is an apocalyptic number.

It is an amenable number.

1057832648 is a deficient number, since it is larger than the sum of its proper divisors (925603582).

1057832648 is a wasteful number, since it uses less digits than its factorization.

1057832648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132229087 (or 132229083 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 1057832648 is about 32524.3393168870. The cubic root of 1057832648 is about 1018.9174237590.

The spelling of 1057832648 in words is "one billion, fifty-seven million, eight hundred thirty-two thousand, six hundred forty-eight".