1056920880 has 40 divisors (see below), whose sum is σ = 3276455472. Its totient is φ = 281845504.

The previous prime is 1056920869. The next prime is 1056920899. The reversal of 1056920880 is 880296501.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1056920880² = 2234163493159948800, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2201679 + ... + 2202158.

Almost surely, 2^1056920880 is an apocalyptic number.

1056920880 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1056920880 is an abundant number, since it is smaller than the sum of its proper divisors (2219534592).

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

1056920880 is a wasteful number, since it uses less digits than its factorization.

1056920880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4403853 (or 4403847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The square root of 1056920880 is about 32510.3195924002. The cubic root of 1056920880 is about 1018.6245975594.

The spelling of 1056920880 in words is "one billion, fifty-six million, nine hundred twenty thousand, eight hundred eighty".