42878280226566 has 16 divisors (see below), whose sum is σ = 85786534818288. Its totient is φ = 14287764348000.

The previous prime is 42878280226547. The next prime is 42878280226667. The reversal of 42878280226566 is 66562208287824.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42878280226497 and 42878280226506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1248913285 + ... + 1248947616.

It is an arithmetic number, because the mean of its divisors is an integer number (5361658426143).

Almost surely, 2^{42878280226566} is an apocalyptic number.

42878280226566 is an abundant number, since it is smaller than the sum of its proper divisors (42908254591722).

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

42878280226566 is a wasteful number, since it uses less digits than its factorization.

42878280226566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2497863767.

The product of its (nonzero) digits is 247726080, while the sum is 66.

The spelling of 42878280226566 in words is "forty-two trillion, eight hundred seventy-eight billion, two hundred eighty million, two hundred twenty-six thousand, five hundred sixty-six".