42035720076 has 72 divisors (see below), whose sum is σ = 121574695424. Its totient is φ = 11996540640.

The previous prime is 42035720071. The next prime is 42035720087. The reversal of 42035720076 is 67002753024.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 42035720076.

It is not an unprimeable number, because it can be changed into a prime (42035720071) 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 23 ways as a sum of consecutive naturals, for example, 128061 + ... + 316971.

Almost surely, 2^42035720076 is an apocalyptic number.

It is an amenable number.

42035720076 is an abundant number, since it is smaller than the sum of its proper divisors (79538975348).

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

42035720076 is a wasteful number, since it uses less digits than its factorization.

42035720076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189811 (or 189806 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 42035720076 in words is "forty-two billion, thirty-five million, seven hundred twenty thousand, seventy-six".