42020256446 has 12 divisors (see below), whose sum is σ = 73321059888. Its totient is φ = 18008681292.

The previous prime is 42020256437. The next prime is 42020256451. The reversal of 42020256446 is 64465202024.

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 5 ways as a sum of consecutive naturals, for example, 214388966 + ... + 214389161.

It is an arithmetic number, because the mean of its divisors is an integer number (6110088324).

Almost surely, 2^42020256446 is an apocalyptic number.

42020256446 is a deficient number, since it is larger than the sum of its proper divisors (31300803442).

42020256446 is a wasteful number, since it uses less digits than its factorization.

42020256446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428778143 (or 428778136 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 35.

The spelling of 42020256446 in words is "forty-two billion, twenty million, two hundred fifty-six thousand, four hundred forty-six".