1056378448 has 20 divisors (see below), whose sum is σ = 2096654868. Its totient is φ = 515306240.

The previous prime is 1056378437. The next prime is 1056378461. The reversal of 1056378448 is 8448736501.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 534164544 + 522213904 = 23112^2 + 22852^2 .

It is a super-2 number, since 2×1056378448² = 2231870850797777408, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1056378398 and 1056378407.

It is a congruent number.

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 in 3 ways as a sum of consecutive naturals, for example, 804511 + ... + 805822.

Almost surely, 2^1056378448 is an apocalyptic number.

It is an amenable number.

1056378448 is a deficient number, since it is larger than the sum of its proper divisors (1040276420).

1056378448 is a wasteful number, since it uses less digits than its factorization.

1056378448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1610382 (or 1610376 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 46.

The square root of 1056378448 is about 32501.9760630027. The cubic root of 1056378448 is about 1018.4503085346.

The spelling of 1056378448 in words is "one billion, fifty-six million, three hundred seventy-eight thousand, four hundred forty-eight".