42855626652168 has 64 divisors (see below), whose sum is σ = 116879716120320. Its totient is φ = 12986471937600.

The previous prime is 42855626652133. The next prime is 42855626652191. The reversal of 42855626652168 is 86125662655824.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a junction number, because it is equal to n+sod(n) for n = 42855626652099 and 42855626652108.

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, 51688323 + ... + 52510893.

It is an arithmetic number, because the mean of its divisors is an integer number (1826245564380).

Almost surely, 2^{42855626652168} is an apocalyptic number.

It is an amenable number.

42855626652168 is an abundant number, since it is smaller than the sum of its proper divisors (74024089468152).

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

42855626652168 is a wasteful number, since it uses less digits than its factorization.

42855626652168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019938 (or 1019934 counting only the distinct ones).

The product of its digits is 331776000, while the sum is 66.

The spelling of 42855626652168 in words is "forty-two trillion, eight hundred fifty-five billion, six hundred twenty-six million, six hundred fifty-two thousand, one hundred sixty-eight".