42001344104142 has 32 divisors (see below), whose sum is σ = 84122258383872. Its totient is φ = 13980531471264.

The previous prime is 42001344104107. The next prime is 42001344104143. The reversal of 42001344104142 is 24140144310024.

It is a happy number.

It is a super-2 number, since 2×42001344104142² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42001344104143) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12781903 + ... + 15728309.

It is an arithmetic number, because the mean of its divisors is an integer number (2628820574496).

Almost surely, 2^{42001344104142} is an apocalyptic number.

42001344104142 is an abundant number, since it is smaller than the sum of its proper divisors (42120914279730).

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

42001344104142 is a wasteful number, since it uses less digits than its factorization.

42001344104142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2949792.

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 42001344104142 its reverse (24140144310024), we get a palindrome (66141488414166).

The spelling of 42001344104142 in words is "forty-two trillion, one billion, three hundred forty-four million, one hundred four thousand, one hundred forty-two".