42142320244120 has 128 divisors (see below), whose sum is σ = 102050949124800. Its totient is φ = 15604155187200.

The previous prime is 42142320244091. The next prime is 42142320244127. The reversal of 42142320244120 is 2144202324124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42142320244127) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 806386551 + ... + 806438809.

Almost surely, 2^{42142320244120} is an apocalyptic number.

42142320244120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42142320244120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51025474562400).

42142320244120 is an abundant number, since it is smaller than the sum of its proper divisors (59908628880680).

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

42142320244120 is a wasteful number, since it uses less digits than its factorization.

42142320244120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71789 (or 71785 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 42142320244120 its reverse (2144202324124), we get a palindrome (44286522568244).

The spelling of 42142320244120 in words is "forty-two trillion, one hundred forty-two billion, three hundred twenty million, two hundred forty-four thousand, one hundred twenty".