42605221046 has 4 divisors (see below), whose sum is σ = 63907831572. Its totient is φ = 21302610522.

The previous prime is 42605221031. The next prime is 42605221073. The reversal of 42605221046 is 64012250624.

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

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 as a sum of consecutive naturals, namely, 10651305260 + ... + 10651305263.

It is an arithmetic number, because the mean of its divisors is an integer number (15976957893).

Almost surely, 2^42605221046 is an apocalyptic number.

42605221046 is a deficient number, since it is larger than the sum of its proper divisors (21302610526).

42605221046 is a wasteful number, since it uses less digits than its factorization.

42605221046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21302610525.

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 42605221046 in words is "forty-two billion, six hundred five million, two hundred twenty-one thousand, forty-six".