42663871872 has 96 divisors (see below), whose sum is σ = 122810645880. Its totient is φ = 14216552448.

The previous prime is 42663871867. The next prime is 42663871889. The reversal of 42663871872 is 27817836624.

42663871872 is a `hidden beast` number, since 426 + 6 + 38 + 7 + 187 + 2 = 666.

42663871872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×42663871872² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5932663 + ... + 5939849.

Almost surely, 2^42663871872 is an apocalyptic number.

It is an amenable number.

42663871872 is an abundant number, since it is smaller than the sum of its proper divisors (80146774008).

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

42663871872 is a wasteful number, since it uses less digits than its factorization.

42663871872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12360 (or 12345 counting only the distinct ones).

The product of its digits is 5419008, while the sum is 54.

The spelling of 42663871872 in words is "forty-two billion, six hundred sixty-three million, eight hundred seventy-one thousand, eight hundred seventy-two".