1068446240 has 24 divisors (see below), whose sum is σ = 2524204620. Its totient is φ = 427378432.

The previous prime is 1068446221. The next prime is 1068446251. The reversal of 1068446240 is 426448601.

It can be written as a sum of positive squares in 2 ways, for example, as 1026817936 + 41628304 = 32044^2 + 6452^2 .

It is a super-2 number, since 2×1068446240² = 2283154735540275200, 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 1068446240.

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, 3338735 + ... + 3339054.

Almost surely, 2^1068446240 is an apocalyptic number.

1068446240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1068446240 is an abundant number, since it is smaller than the sum of its proper divisors (1455758380).

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

1068446240 is an equidigital number, since it uses as much as digits as its factorization.

1068446240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6677804 (or 6677796 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 35.

The square root of 1068446240 is about 32687.0959248447. The cubic root of 1068446240 is about 1022.3138040892.

The spelling of 1068446240 in words is "one billion, sixty-eight million, four hundred forty-six thousand, two hundred forty".