42005063446 has 4 divisors (see below), whose sum is σ = 63007595172. Its totient is φ = 21002531722.

The previous prime is 42005063431. The next prime is 42005063449. The reversal of 42005063446 is 64436050024.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42005063449) by changing a digit.

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 as a sum of consecutive naturals, namely, 10501265860 + ... + 10501265863.

It is an arithmetic number, because the mean of its divisors is an integer number (15751898793).

Almost surely, 2^42005063446 is an apocalyptic number.

42005063446 is a deficient number, since it is larger than the sum of its proper divisors (21002531726).

42005063446 is a wasteful number, since it uses less digits than its factorization.

42005063446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21002531725.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 42005063446 in words is "forty-two billion, five million, sixty-three thousand, four hundred forty-six".