4042134021020 has 24 divisors (see below), whose sum is σ = 8505492450000. Its totient is φ = 1613613416832.

The previous prime is 4042134020971. The next prime is 4042134021031. The reversal of 4042134021020 is 201204312404.

It is a super-3 number, since 3×4042134021020³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202501745 + ... + 202521704.

It is an arithmetic number, because the mean of its divisors is an integer number (354395518750).

Almost surely, 2^{4042134021020} is an apocalyptic number.

It is an amenable number.

4042134021020 is an abundant number, since it is smaller than the sum of its proper divisors (4463358428980).

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

4042134021020 is a wasteful number, since it uses less digits than its factorization.

4042134021020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405023957 (or 405023955 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 4042134021020 its reverse (201204312404), we get a palindrome (4243338333424).

The spelling of 4042134021020 in words is "four trillion, forty-two billion, one hundred thirty-four million, twenty-one thousand, twenty".