42699716608 has 48 divisors (see below), whose sum is σ = 86259176640. Its totient is φ = 21129658368.

The previous prime is 42699716593. The next prime is 42699716621. The reversal of 42699716608 is 80661799624.

It is a happy number.

It is a super-2 number, since 2×42699716608² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91185 + ... + 306127.

It is an arithmetic number, because the mean of its divisors is an integer number (1797066180).

Almost surely, 2^42699716608 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 42699716608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43129588320).

42699716608 is an abundant number, since it is smaller than the sum of its proper divisors (43559460032).

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

42699716608 is an equidigital number, since it uses as much as digits as its factorization.

42699716608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215062 (or 215042 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 42699716608 in words is "forty-two billion, six hundred ninety-nine million, seven hundred sixteen thousand, six hundred eight".