42450434266 has 16 divisors (see below), whose sum is σ = 64125858888. Its totient is φ = 21075508800.

The previous prime is 42450434249. The next prime is 42450434293. The reversal of 42450434266 is 66243405424.

It can be written as a sum of positive squares in 4 ways, for example, as 4614349041 + 37836085225 = 67929^2 + 194515^2 .

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 7 ways as a sum of consecutive naturals, for example, 146596 + ... + 326176.

Almost surely, 2^42450434266 is an apocalyptic number.

42450434266 is a deficient number, since it is larger than the sum of its proper divisors (21675424622).

42450434266 is a wasteful number, since it uses less digits than its factorization.

42450434266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180417.

The product of its (nonzero) digits is 552960, while the sum is 40.

The spelling of 42450434266 in words is "forty-two billion, four hundred fifty million, four hundred thirty-four thousand, two hundred sixty-six".