42055550112 has 24 divisors (see below), whose sum is σ = 110395819296. Its totient is φ = 14018516672.

The previous prime is 42055550101. The next prime is 42055550137. The reversal of 42055550112 is 21105555024.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42055550112.

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, 219039228 + ... + 219039419.

It is an arithmetic number, because the mean of its divisors is an integer number (4599825804).

Almost surely, 2^42055550112 is an apocalyptic number.

It is an amenable number.

42055550112 is an abundant number, since it is smaller than the sum of its proper divisors (68340269184).

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

42055550112 is a wasteful number, since it uses less digits than its factorization.

42055550112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438078660 (or 438078652 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 30.

The spelling of 42055550112 in words is "forty-two billion, fifty-five million, five hundred fifty thousand, one hundred twelve".