14415143540 has 96 divisors (see below), whose sum is σ = 36663943680. Its totient is φ = 4647481344.

The previous prime is 14415143503. The next prime is 14415143551. The reversal of 14415143540 is 4534151441.

It is a junction number, because it is equal to n+sod(n) for n = 14415143497 and 14415143506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3822776 + ... + 3826544.

It is an arithmetic number, because the mean of its divisors is an integer number (381916080).

Almost surely, 2^14415143540 is an apocalyptic number.

14415143540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14415143540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18331971840).

14415143540 is an abundant number, since it is smaller than the sum of its proper divisors (22248800140).

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

14415143540 is a wasteful number, since it uses less digits than its factorization.

14415143540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5409 (or 5407 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 14415143540 its reverse (4534151441), we get a palindrome (18949294981).

The spelling of 14415143540 in words is "fourteen billion, four hundred fifteen million, one hundred forty-three thousand, five hundred forty".