42670208856 has 128 divisors (see below), whose sum is σ = 124715635200. Its totient is φ = 12033838080.

The previous prime is 42670208839. The next prime is 42670208869. The reversal of 42670208856 is 65880207624.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 129700 + ... + 319628.

It is an arithmetic number, because the mean of its divisors is an integer number (974340900).

Almost surely, 2^42670208856 is an apocalyptic number.

42670208856 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42670208856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62357817600).

42670208856 is an abundant number, since it is smaller than the sum of its proper divisors (82045426344).

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

42670208856 is a wasteful number, since it uses less digits than its factorization.

42670208856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190009 (or 190005 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 42670208856 in words is "forty-two billion, six hundred seventy million, two hundred eight thousand, eight hundred fifty-six".