42055566782 has 8 divisors (see below), whose sum is σ = 65258638200. Its totient is φ = 20302687384.

The previous prime is 42055566779. The next prime is 42055566823. The reversal of 42055566782 is 28766555024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 42055566782.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362547932 + ... + 362548047.

It is an arithmetic number, because the mean of its divisors is an integer number (8157329775).

Almost surely, 2^42055566782 is an apocalyptic number.

42055566782 is a deficient number, since it is larger than the sum of its proper divisors (23203071418).

42055566782 is a wasteful number, since it uses less digits than its factorization.

42055566782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725096010.

The product of its (nonzero) digits is 4032000, while the sum is 50.

The spelling of 42055566782 in words is "forty-two billion, fifty-five million, five hundred sixty-six thousand, seven hundred eighty-two".