42878537163056 has 160 divisors (see below), whose sum is σ = 96295980912768. Its totient is φ = 18117217935360.

The previous prime is 42878537163013. The next prime is 42878537163061. The reversal of 42878537163056 is 65036173587824.

It is a super-3 number, since 3×42878537163056³ (a number of 42 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42878537162983 and 42878537163001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2146815086 + ... + 2146835058.

Almost surely, 2^{42878537163056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42878537163056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48147990456384).

42878537163056 is an abundant number, since it is smaller than the sum of its proper divisors (53417443749712).

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

42878537163056 is a wasteful number, since it uses less digits than its factorization.

42878537163056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21079 (or 21073 counting only the distinct ones).

The product of its (nonzero) digits is 203212800, while the sum is 65.

The spelling of 42878537163056 in words is "forty-two trillion, eight hundred seventy-eight billion, five hundred thirty-seven million, one hundred sixty-three thousand, fifty-six".