1068256340 has 24 divisors (see below), whose sum is σ = 2285667720. Its totient is φ = 419239808.

The previous prime is 1068256333. The next prime is 1068256379. The reversal of 1068256340 is 436528601.

It can be written as a sum of positive squares in 4 ways, for example, as 69822736 + 998433604 = 8356^2 + 31598^2 .

It is a super-2 number, since 2×1068256340² = 2282343215900391200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1068256340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 502835 + ... + 504954.

It is an arithmetic number, because the mean of its divisors is an integer number (95236155).

Almost surely, 2^1068256340 is an apocalyptic number.

1068256340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068256340 is an abundant number, since it is smaller than the sum of its proper divisors (1217411380).

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

1068256340 is a wasteful number, since it uses less digits than its factorization.

1068256340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007851 (or 1007849 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 1068256340 is about 32684.1909797382. The cubic root of 1068256340 is about 1022.2532336125.

The spelling of 1068256340 in words is "one billion, sixty-eight million, two hundred fifty-six thousand, three hundred forty".