42302140044021 has 24 divisors (see below), whose sum is σ = 71785449773856. Its totient is φ = 23665532891040.

The previous prime is 42302140044007. The next prime is 42302140044053. The reversal of 42302140044021 is 12044004120324.

42302140044021 is a `hidden beast` number, since 4 + 2 + 3 + 0 + 214 + 0 + 0 + 440 + 2 + 1 = 666.

It is not a de Polignac number, because 42302140044021 - 2¹⁰ = 42302140042997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42302140044001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16434396555 + ... + 16434399128.

It is an arithmetic number, because the mean of its divisors is an integer number (2991060407244).

Almost surely, 2^{42302140044021} is an apocalyptic number.

It is an amenable number.

42302140044021 is a deficient number, since it is larger than the sum of its proper divisors (29483309729835).

42302140044021 is a wasteful number, since it uses less digits than its factorization.

42302140044021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32868795713 (or 32868795710 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 42302140044021 its reverse (12044004120324), we get a palindrome (54346144164345).

The spelling of 42302140044021 in words is "forty-two trillion, three hundred two billion, one hundred forty million, forty-four thousand, twenty-one".