14400305440 has 24 divisors (see below), whose sum is σ = 34020721980. Its totient is φ = 5760122112.

The previous prime is 14400305431. The next prime is 14400305449. The reversal of 14400305440 is 4450300441.

It is an interprime number because it is at equal distance from previous prime (14400305431) and next prime (14400305449).

It can be written as a sum of positive squares in 2 ways, for example, as 14285986576 + 114318864 = 119524^2 + 10692^2 .

It is not an unprimeable number, because it can be changed into a prime (14400305449) 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, 45000795 + ... + 45001114.

Almost surely, 2^14400305440 is an apocalyptic number.

14400305440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14400305440 is an abundant number, since it is smaller than the sum of its proper divisors (19620416540).

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

14400305440 is an equidigital number, since it uses as much as digits as its factorization.

14400305440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90001924 (or 90001916 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 14400305440 its reverse (4450300441), we get a palindrome (18850605881).

The spelling of 14400305440 in words is "fourteen billion, four hundred million, three hundred five thousand, four hundred forty".