1069563840 has 112 divisors (see below), whose sum is σ = 3595676832. Its totient is φ = 268435456.

The previous prime is 1069563793. The next prime is 1069563883. The reversal of 1069563840 is 483659601.

It is a super-2 number, since 2×1069563840² = 2287933615671091200, which contains 22 as substring.

It is a zygodrome in base 2 and base 4.

It is a junction number, because it is equal to n+sod(n) for n = 1069563792 and 1069563801.

It is a congruent number.

It is an unprimeable number.

In principle, a polygon with 1069563840 sides can be constructed with ruler and compass.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16449 + ... + 49088.

Almost surely, 2^1069563840 is an apocalyptic number.

1069563840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1069563840 is an abundant number, since it is smaller than the sum of its proper divisors (2526112992).

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

1069563840 is a wasteful number, since it uses less digits than its factorization.

1069563840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65574 (or 65564 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 1069563840 is about 32704.1868879200. The cubic root of 1069563840 is about 1022.6701282945.

The spelling of 1069563840 in words is "one billion, sixty-nine million, five hundred sixty-three thousand, eight hundred forty".