4042526831639 has 8 divisors (see below), whose sum is σ = 4120095907872. Its totient is φ = 3965005717920.

The previous prime is 4042526831599. The next prime is 4042526831683. The reversal of 4042526831639 is 9361386252404.

It is a happy number.

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

It is not a de Polignac number, because 4042526831639 - 2⁸ = 4042526831383 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4042526831939) 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, 11820419 + ... + 12157604.

It is an arithmetic number, because the mean of its divisors is an integer number (515011988484).

Almost surely, 2^{4042526831639} is an apocalyptic number.

4042526831639 is a deficient number, since it is larger than the sum of its proper divisors (77569076233).

4042526831639 is a wasteful number, since it uses less digits than its factorization.

4042526831639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23981257.

The product of its (nonzero) digits is 7464960, while the sum is 53.

The spelling of 4042526831639 in words is "four trillion, forty-two billion, five hundred twenty-six million, eight hundred thirty-one thousand, six hundred thirty-nine".