42069708072 has 160 divisors (see below), whose sum is σ = 137800027200. Its totient is φ = 11740329216.

The previous prime is 42069708049. The next prime is 42069708077. The reversal of 42069708072 is 27080796024.

It is not an unprimeable number, because it can be changed into a prime (42069708077) by changing a digit.

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 39 ways as a sum of consecutive naturals, for example, 87204 + ... + 302892.

It is an arithmetic number, because the mean of its divisors is an integer number (861250170).

Almost surely, 2^42069708072 is an apocalyptic number.

42069708072 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42069708072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68900013600).

42069708072 is an abundant number, since it is smaller than the sum of its proper divisors (95730319128).

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

42069708072 is a wasteful number, since it uses less digits than its factorization.

42069708072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215757 (or 215744 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 42069708072 in words is "forty-two billion, sixty-nine million, seven hundred eight thousand, seventy-two".