42384844575081 has 24 divisors (see below), whose sum is σ = 61545875040000. Its totient is φ = 28107409948992.

The previous prime is 42384844575061. The next prime is 42384844575089. The reversal of 42384844575081 is 18057544848324.

42384844575081 is a `hidden beast` number, since 4 + 2 + 3 + 8 + 4 + 84 + 45 + 7 + 508 + 1 = 666.

It is not a de Polignac number, because 42384844575081 - 2⁵ = 42384844575049 is a prime.

It is a super-2 number, since 2×42384844575081² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42384844575089) 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, 4025200 + ... + 10048478.

It is an arithmetic number, because the mean of its divisors is an integer number (2564411460000).

Almost surely, 2^{42384844575081} is an apocalyptic number.

It is an amenable number.

42384844575081 is a deficient number, since it is larger than the sum of its proper divisors (19161030464919).

42384844575081 is a wasteful number, since it uses less digits than its factorization.

42384844575081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6027413 (or 6027410 counting only the distinct ones).

The product of its (nonzero) digits is 137625600, while the sum is 63.

The spelling of 42384844575081 in words is "forty-two trillion, three hundred eighty-four billion, eight hundred forty-four million, five hundred seventy-five thousand, eighty-one".