42109626056 has 16 divisors (see below), whose sum is σ = 79285910400. Its totient is φ = 20966716624.

The previous prime is 42109626019. The next prime is 42109626073. The reversal of 42109626056 is 65062690124.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010020 + ... + 11013843.

It is an arithmetic number, because the mean of its divisors is an integer number (4955369400).

Almost surely, 2^42109626056 is an apocalyptic number.

It is an amenable number.

42109626056 is a deficient number, since it is larger than the sum of its proper divisors (37176284344).

42109626056 is a wasteful number, since it uses less digits than its factorization.

42109626056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22024108 (or 22024104 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The spelling of 42109626056 in words is "forty-two billion, one hundred nine million, six hundred twenty-six thousand, fifty-six".