14234145440 has 48 divisors (see below), whose sum is σ = 33659238312. Its totient is φ = 5688397824.

The previous prime is 14234145427. The next prime is 14234145451. The reversal of 14234145440 is 4454143241.

It can be written as a sum of positive squares in 4 ways, for example, as 13319929744 + 914215696 = 115412^2 + 30236^2 .

It is a super-2 number, since 2×14234145440² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 14234145397 and 14234145406.

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, 134972 + ... + 216068.

Almost surely, 2^14234145440 is an apocalyptic number.

14234145440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14234145440 is an abundant number, since it is smaller than the sum of its proper divisors (19425092872).

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

14234145440 is a wasteful number, since it uses less digits than its factorization.

14234145440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82209 (or 82201 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

Adding to 14234145440 its reverse (4454143241), we get a palindrome (18688288681).

It can be divided in two parts, 142341 and 45440, that added together give a palindrome (187781).

The spelling of 14234145440 in words is "fourteen billion, two hundred thirty-four million, one hundred forty-five thousand, four hundred forty".