42790684622 has 24 divisors (see below), whose sum is σ = 74677943520. Its totient is φ = 18335778720.

The previous prime is 42790684603. The next prime is 42790684633. The reversal of 42790684622 is 22648609724.

It is a happy number.

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 11 ways as a sum of consecutive naturals, for example, 605579 + ... + 672537.

It is an arithmetic number, because the mean of its divisors is an integer number (3111580980).

Almost surely, 2^42790684622 is an apocalyptic number.

42790684622 is a deficient number, since it is larger than the sum of its proper divisors (31887258898).

42790684622 is a wasteful number, since it uses less digits than its factorization.

42790684622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73496 (or 73489 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 50.

The spelling of 42790684622 in words is "forty-two billion, seven hundred ninety million, six hundred eighty-four thousand, six hundred twenty-two".