42048871938 has 24 divisors (see below), whose sum is σ = 91335390588. Its totient is φ = 13980982752.

The previous prime is 42048871897. The next prime is 42048871939. The reversal of 42048871938 is 83917884024.

It is a happy number.

42048871938 is a `hidden beast` number, since 4 + 2 + 0 + 488 + 71 + 93 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 41985239409 + 63632529 = 204903^2 + 7977^2 .

It is not an unprimeable number, because it can be changed into a prime (42048871939) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2934981 + ... + 2949272.

Almost surely, 2^42048871938 is an apocalyptic number.

42048871938 is an abundant number, since it is smaller than the sum of its proper divisors (49286518650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42048871938 is a wasteful number, since it uses less digits than its factorization.

42048871938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5884658 (or 5884655 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 42048871938 in words is "forty-two billion, forty-eight million, eight hundred seventy-one thousand, nine hundred thirty-eight".