14342312440 has 32 divisors (see below), whose sum is σ = 33311180160. Its totient is φ = 5551862400.

The previous prime is 14342312417. The next prime is 14342312443. The reversal of 14342312440 is 4421324341.

It is a super-2 number, since 2×14342312440² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14342312399 and 14342312408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14342312443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5781951 + ... + 5784430.

It is an arithmetic number, because the mean of its divisors is an integer number (1040974380).

Almost surely, 2^14342312440 is an apocalyptic number.

14342312440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14342312440 is an abundant number, since it is smaller than the sum of its proper divisors (18968867720).

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

14342312440 is a wasteful number, since it uses less digits than its factorization.

14342312440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11566423 (or 11566419 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 14342312440 its reverse (4421324341), we get a palindrome (18763636781).

The spelling of 14342312440 in words is "fourteen billion, three hundred forty-two million, three hundred twelve thousand, four hundred forty".