14020126540 has 192 divisors, whose sum is σ = 35187747840. Its totient is φ = 4593853440.

The previous prime is 14020126529. The next prime is 14020126553. The reversal of 14020126540 is 4562102041.

It is a happy number.

It is a super-2 number, since 2×14020126540² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 61223146 + ... + 61223374.

It is an arithmetic number, because the mean of its divisors is an integer number (183269520).

Almost surely, 2^14020126540 is an apocalyptic number.

14020126540 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 14020126540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17593873920).

14020126540 is an abundant number, since it is smaller than the sum of its proper divisors (21167621300).

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

14020126540 is a wasteful number, since it uses less digits than its factorization.

14020126540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 14020126540 its reverse (4562102041), we get a palindrome (18582228581).

The spelling of 14020126540 in words is "fourteen billion, twenty million, one hundred twenty-six thousand, five hundred forty".