1440068 has 12 divisors (see below), whose sum is σ = 2880192. Its totient is φ = 617160.

The previous prime is 1440037. The next prime is 1440079. The reversal of 1440068 is 8600441.

It is a happy number.

1440068 is nontrivially palindromic in base 5.

1440068 is an admirable number.

It is a hoax number, since the sum of its digits (23) 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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25688 + ... + 25743.

It is an arithmetic number, because the mean of its divisors is an integer number (240016).

2^1440068 is an apocalyptic number.

It is an amenable number.

1440068 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1440068 is a wasteful number, since it uses less digits than its factorization.

1440068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51442 (or 51440 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1440068 is about 1200.0283329989. The cubic root of 1440068 is about 112.9261009502.

The spelling of 1440068 in words is "one million, four hundred forty thousand, sixty-eight".