42005255422 has 16 divisors (see below), whose sum is σ = 68071444560. Its totient is φ = 19325097792.

The previous prime is 42005255393. The next prime is 42005255431. The reversal of 42005255422 is 22455250024.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572672 + ... + 2588947.

It is an arithmetic number, because the mean of its divisors is an integer number (4254465285).

Almost surely, 2^42005255422 is an apocalyptic number.

42005255422 is a deficient number, since it is larger than the sum of its proper divisors (26066189138).

42005255422 is a wasteful number, since it uses less digits than its factorization.

42005255422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5161947.

The product of its (nonzero) digits is 32000, while the sum is 31.

The spelling of 42005255422 in words is "forty-two billion, five million, two hundred fifty-five thousand, four hundred twenty-two".