4042335638 has 8 divisors (see below), whose sum is σ = 6614731080. Its totient is φ = 1837425280.

The previous prime is 4042335623. The next prime is 4042335641. The reversal of 4042335638 is 8365332404.

It is a happy number.

4042335638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91871243 + ... + 91871286.

It is an arithmetic number, because the mean of its divisors is an integer number (826841385).

Almost surely, 2^4042335638 is an apocalyptic number.

4042335638 is a deficient number, since it is larger than the sum of its proper divisors (2572395442).

4042335638 is a wasteful number, since it uses less digits than its factorization.

4042335638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183742542.

The product of its (nonzero) digits is 207360, while the sum is 38.

The square root of 4042335638 is about 63579.3648757205. The cubic root of 4042335638 is about 1592.9817126537.

The spelling of 4042335638 in words is "four billion, forty-two million, three hundred thirty-five thousand, six hundred thirty-eight".