42871555056 has 80 divisors (see below), whose sum is σ = 120879406080. Its totient is φ = 12984975360.

The previous prime is 42871555037. The next prime is 42871555081. The reversal of 42871555056 is 65055517824.

42871555056 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 42871554996 and 42871555014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1112560 + ... + 1150448.

It is an arithmetic number, because the mean of its divisors is an integer number (1510992576).

Almost surely, 2^42871555056 is an apocalyptic number.

It is an amenable number.

42871555056 is an abundant number, since it is smaller than the sum of its proper divisors (78007851024).

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

42871555056 is a wasteful number, since it uses less digits than its factorization.

42871555056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40054 (or 40048 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 48.

The spelling of 42871555056 in words is "forty-two billion, eight hundred seventy-one million, five hundred fifty-five thousand, fifty-six".