14540440340 has 24 divisors (see below), whose sum is σ = 32331097512. Its totient is φ = 5474048000.

The previous prime is 14540440333. The next prime is 14540440351. The reversal of 14540440340 is 4304404541.

It can be written as a sum of positive squares in 4 ways, for example, as 805537924 + 13734902416 = 28382^2 + 117196^2 .

It is a super-2 number, since 2×14540440340² (a number of 21 digits) contains 22 as substring.

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, 21382661 + ... + 21383340.

It is an arithmetic number, because the mean of its divisors is an integer number (1347129063).

Almost surely, 2^14540440340 is an apocalyptic number.

14540440340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14540440340 is an abundant number, since it is smaller than the sum of its proper divisors (17790657172).

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

14540440340 is a wasteful number, since it uses less digits than its factorization.

14540440340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42766027 (or 42766025 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 14540440340 its reverse (4304404541), we get a palindrome (18844844881).

The spelling of 14540440340 in words is "fourteen billion, five hundred forty million, four hundred forty thousand, three hundred forty".