14042042420 has 192 divisors, whose sum is σ = 35690747904. Its totient is φ = 4540354560.

The previous prime is 14042042419. The next prime is 14042042431. The reversal of 14042042420 is 2424024041.

It is a congruent number.

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, 33353810 + ... + 33354230.

It is an arithmetic number, because the mean of its divisors is an integer number (185889312).

Almost surely, 2^14042042420 is an apocalyptic number.

14042042420 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 14042042420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17845373952).

14042042420 is an abundant number, since it is smaller than the sum of its proper divisors (21648705484).

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

14042042420 is a wasteful number, since it uses less digits than its factorization.

14042042420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 14042042420 its reverse (2424024041), we get a palindrome (16466066461).

The spelling of 14042042420 in words is "fourteen billion, forty-two million, forty-two thousand, four hundred twenty".