42118547880 has 192 divisors, whose sum is σ = 138857328000. Its totient is φ = 10206171136.

The previous prime is 42118547873. The next prime is 42118547893. The reversal of 42118547880 is 8874581124.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 984781 + ... + 1026659.

It is an arithmetic number, because the mean of its divisors is an integer number (723215250).

Almost surely, 2^42118547880 is an apocalyptic number.

42118547880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42118547880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69428664000).

42118547880 is an abundant number, since it is smaller than the sum of its proper divisors (96738780120).

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

42118547880 is a wasteful number, since it uses less digits than its factorization.

42118547880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41956 (or 41935 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 42118547880 in words is "forty-two billion, one hundred eighteen million, five hundred forty-seven thousand, eight hundred eighty".