42003144544042 has 32 divisors (see below), whose sum is σ = 70951231830528. Its totient is φ = 18476029800000.

The previous prime is 42003144543989. The next prime is 42003144544051. The reversal of 42003144544042 is 24044544130024.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42003144543992 and 42003144544010.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29797192 + ... + 31174972.

It is an arithmetic number, because the mean of its divisors is an integer number (2217225994704).

Almost surely, 2^{42003144544042} is an apocalyptic number.

42003144544042 is a deficient number, since it is larger than the sum of its proper divisors (28948087286486).

42003144544042 is a wasteful number, since it uses less digits than its factorization.

42003144544042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1422526.

The product of its (nonzero) digits is 245760, while the sum is 37.

Adding to 42003144544042 its reverse (24044544130024), we get a palindrome (66047688674066).

The spelling of 42003144544042 in words is "forty-two trillion, three billion, one hundred forty-four million, five hundred forty-four thousand, forty-two".