14123434440 has 32 divisors (see below), whose sum is σ = 42370303680. Its totient is φ = 3766249152.

The previous prime is 14123434439. The next prime is 14123434459. The reversal of 14123434440 is 4443432141.

It is a super-2 number, since 2×14123434440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14123434398 and 14123434407.

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, 58847524 + ... + 58847763.

It is an arithmetic number, because the mean of its divisors is an integer number (1324071990).

Almost surely, 2^14123434440 is an apocalyptic number.

14123434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14123434440 is an abundant number, since it is smaller than the sum of its proper divisors (28246869240).

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

14123434440 is a wasteful number, since it uses less digits than its factorization.

14123434440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117695301 (or 117695297 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 14123434440 its reverse (4443432141), we get a palindrome (18566866581).

The spelling of 14123434440 in words is "fourteen billion, one hundred twenty-three million, four hundred thirty-four thousand, four hundred forty".