42144241420 has 24 divisors (see below), whose sum is σ = 88521922944. Its totient is φ = 16854074496.

The previous prime is 42144241379. The next prime is 42144241421. The reversal of 42144241420 is 2414244124.

It is a happy number.

It is a super-2 number, since 2×42144241420² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144241421) 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, 129969 + ... + 318088.

It is an arithmetic number, because the mean of its divisors is an integer number (3688413456).

Almost surely, 2^42144241420 is an apocalyptic number.

It is an amenable number.

42144241420 is an abundant number, since it is smaller than the sum of its proper divisors (46377681524).

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

42144241420 is a wasteful number, since it uses less digits than its factorization.

42144241420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452769 (or 452767 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 42144241420 its reverse (2414244124), we get a palindrome (44558485544).

The spelling of 42144241420 in words is "forty-two billion, one hundred forty-four million, two hundred forty-one thousand, four hundred twenty".