4042046845 has 8 divisors (see below), whose sum is σ = 4853722680. Its totient is φ = 3231459840.

The previous prime is 4042046839. The next prime is 4042046849. The reversal of 4042046845 is 5486402404.

It is a happy number.

4042046845 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 979752601 + 3062294244 = 31301^2 + 55338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4042046845 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042046849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264016 + ... + 278905.

It is an arithmetic number, because the mean of its divisors is an integer number (606715335).

Almost surely, 2^4042046845 is an apocalyptic number.

It is an amenable number.

4042046845 is a deficient number, since it is larger than the sum of its proper divisors (811675835).

4042046845 is a wasteful number, since it uses less digits than its factorization.

4042046845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544415.

The product of its (nonzero) digits is 122880, while the sum is 37.

The square root of 4042046845 is about 63577.0937130662. The cubic root of 4042046845 is about 1592.9437764237.

The spelling of 4042046845 in words is "four billion, forty-two million, forty-six thousand, eight hundred forty-five".