4042538481 has 16 divisors (see below), whose sum is σ = 5461283520. Its totient is φ = 2659608000.

The previous prime is 4042538419. The next prime is 4042538569. The reversal of 4042538481 is 1848352404.

It is not a de Polignac number, because 4042538481 - 2¹⁴ = 4042522097 is a prime.

It is a super-2 number, since 2×4042538481² = 32684234740731574722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4042538411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57451 + ... + 106703.

It is an arithmetic number, because the mean of its divisors is an integer number (341330220).

Almost surely, 2^4042538481 is an apocalyptic number.

It is an amenable number.

4042538481 is a deficient number, since it is larger than the sum of its proper divisors (1418745039).

4042538481 is a wasteful number, since it uses less digits than its factorization.

4042538481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49616.

The product of its (nonzero) digits is 122880, while the sum is 39.

The square root of 4042538481 is about 63580.9600509461. The cubic root of 4042538481 is about 1593.0083572979.

The spelling of 4042538481 in words is "four billion, forty-two million, five hundred thirty-eight thousand, four hundred eighty-one".