42820546028 has 36 divisors (see below), whose sum is σ = 81331622568. Its totient is φ = 19717551360.

The previous prime is 42820545997. The next prime is 42820546057. The reversal of 42820546028 is 82064502824.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 219563 + ... + 365853.

It is an arithmetic number, because the mean of its divisors is an integer number (2259211738).

Almost surely, 2^42820546028 is an apocalyptic number.

It is an amenable number.

42820546028 is a deficient number, since it is larger than the sum of its proper divisors (38511076540).

42820546028 is a wasteful number, since it uses less digits than its factorization.

42820546028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146754 (or 146739 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 41.

The spelling of 42820546028 in words is "forty-two billion, eight hundred twenty million, five hundred forty-six thousand, twenty-eight".