1068113440 has 24 divisors (see below), whose sum is σ = 2523418380. Its totient is φ = 427245312.

The previous prime is 1068113429. The next prime is 1068113467. The reversal of 1068113440 is 443118601.

1068113440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1013530896 + 54582544 = 31836^2 + 7388^2 .

It is a super-2 number, since 2×1068113440² = 2281732641417267200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1068113399 and 1068113408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3337695 + ... + 3338014.

Almost surely, 2^1068113440 is an apocalyptic number.

1068113440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068113440 is an abundant number, since it is smaller than the sum of its proper divisors (1455304940).

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

1068113440 is an equidigital number, since it uses as much as digits as its factorization.

1068113440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6675724 (or 6675716 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 1068113440 is about 32682.0048344651. The cubic root of 1068113440 is about 1022.2076495157.

The spelling of 1068113440 in words is "one billion, sixty-eight million, one hundred thirteen thousand, four hundred forty".