42705156608 has 40 divisors (see below), whose sum is σ = 85542241092. Its totient is φ = 21298692096.

The previous prime is 42705156583. The next prime is 42705156617. The reversal of 42705156608 is 80665150724.

It can be written as a sum of positive squares in 2 ways, for example, as 41962703104 + 742453504 = 204848^2 + 27248^2 .

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 3 ways as a sum of consecutive naturals, for example, 98216 + ... + 308312.

Almost surely, 2^42705156608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42705156608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42771120546).

42705156608 is an abundant number, since it is smaller than the sum of its proper divisors (42837084484).

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

42705156608 is an equidigital number, since it uses as much as digits as its factorization.

42705156608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210512 (or 210496 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 42705156608 in words is "forty-two billion, seven hundred five million, one hundred fifty-six thousand, six hundred eight".