1440002400002 has 8 divisors (see below), whose sum is σ = 2189592690636. Its totient is φ = 710138169792.

The previous prime is 1440002399947. The next prime is 1440002400007. The reversal of 1440002400002 is 2000042000441.

It is a Cunningham number, because it is equal to 1200001²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 1440002400001 + 1 = 1200001^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (1440002400007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4931514923 + ... + 4931515214.

Almost surely, 2^{1440002400002} is an apocalyptic number.

1440002400002 is a deficient number, since it is larger than the sum of its proper divisors (749590290634).

1440002400002 is an equidigital number, since it uses as much as digits as its factorization.

1440002400002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9863030212.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1440002400002 its reverse (2000042000441), we get a palindrome (3440044400443).

The spelling of 1440002400002 in words is "one trillion, four hundred forty billion, two million, four hundred thousand, two".