42048841791 has 16 divisors (see below), whose sum is σ = 61178018688. Its totient is φ = 25477452000.

The previous prime is 42048841741. The next prime is 42048841837. The reversal of 42048841791 is 19714884024.

It is not a de Polignac number, because 42048841791 - 2¹⁰ = 42048840767 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42048841791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42048841741) 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, 38356 + ... + 292521.

It is an arithmetic number, because the mean of its divisors is an integer number (3823626168).

Almost surely, 2^42048841791 is an apocalyptic number.

42048841791 is a deficient number, since it is larger than the sum of its proper divisors (19129176897).

42048841791 is a wasteful number, since it uses less digits than its factorization.

42048841791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334742.

The product of its (nonzero) digits is 516096, while the sum is 48.

The spelling of 42048841791 in words is "forty-two billion, forty-eight million, eight hundred forty-one thousand, seven hundred ninety-one".