42144013420 has 24 divisors (see below), whose sum is σ = 88753158144. Its totient is φ = 16809847296.

The previous prime is 42144013403. The next prime is 42144013427. The reversal of 42144013420 is 2431044124.

It is a super-2 number, since 2×42144013420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144013427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2977644 + ... + 2991763.

It is an arithmetic number, because the mean of its divisors is an integer number (3698048256).

Almost surely, 2^42144013420 is an apocalyptic number.

It is an amenable number.

42144013420 is an abundant number, since it is smaller than the sum of its proper divisors (46609144724).

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

42144013420 is a wasteful number, since it uses less digits than its factorization.

42144013420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5969769 (or 5969767 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 42144013420 its reverse (2431044124), we get a palindrome (44575057544).

The spelling of 42144013420 in words is "forty-two billion, one hundred forty-four million, thirteen thousand, four hundred twenty".