42244390986 has 32 divisors (see below), whose sum is σ = 96962641920. Its totient is φ = 12019321776.

The previous prime is 42244390961. The next prime is 42244390999. The reversal of 42244390986 is 68909344224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2094186 + ... + 2114261.

It is an arithmetic number, because the mean of its divisors is an integer number (3030082560).

Almost surely, 2^42244390986 is an apocalyptic number.

42244390986 is an abundant number, since it is smaller than the sum of its proper divisors (54718250934).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42244390986 is a wasteful number, since it uses less digits than its factorization.

42244390986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4208698.

The product of its (nonzero) digits is 2985984, while the sum is 51.

The spelling of 42244390986 in words is "forty-two billion, two hundred forty-four million, three hundred ninety thousand, nine hundred eighty-six".