42144020144 has 10 divisors (see below), whose sum is σ = 81654039060. Its totient is φ = 21072010064.

The previous prime is 42144020143. The next prime is 42144020161. The reversal of 42144020144 is 44102044124.

It is a super-2 number, since 2×42144020144² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (42144020143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1317000614 + ... + 1317000645.

It is an arithmetic number, because the mean of its divisors is an integer number (8165403906).

Almost surely, 2^42144020144 is an apocalyptic number.

It is an amenable number.

42144020144 is a deficient number, since it is larger than the sum of its proper divisors (39510018916).

42144020144 is a wasteful number, since it uses less digits than its factorization.

42144020144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634001267 (or 2634001261 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 42144020144 its reverse (44102044124), we get a palindrome (86246064268).

The spelling of 42144020144 in words is "forty-two billion, one hundred forty-four million, twenty thousand, one hundred forty-four".