42344404666 has 16 divisors (see below), whose sum is σ = 64631484000. Its totient is φ = 20801002608.

The previous prime is 42344404651. The next prime is 42344404691. The reversal of 42344404666 is 66640444324.

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, 94876 + ... + 306088.

It is an arithmetic number, because the mean of its divisors is an integer number (4039467750).

Almost surely, 2^42344404666 is an apocalyptic number.

42344404666 is a deficient number, since it is larger than the sum of its proper divisors (22287079334).

42344404666 is a wasteful number, since it uses less digits than its factorization.

42344404666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212973.

The product of its (nonzero) digits is 1327104, while the sum is 43.

The spelling of 42344404666 in words is "forty-two billion, three hundred forty-four million, four hundred four thousand, six hundred sixty-six".