42006034665 has 48 divisors (see below), whose sum is σ = 83325934848. Its totient is φ = 19176455808.

The previous prime is 42006034657. The next prime is 42006034667. The reversal of 42006034665 is 56643060024.

42006034665 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 603 + 46 + 6 + 5 = 666.

42006034665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42006034665 - 2³ = 42006034657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42006034667) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 139932 + ... + 321858.

It is an arithmetic number, because the mean of its divisors is an integer number (1735956976).

Almost surely, 2^42006034665 is an apocalyptic number.

42006034665 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

42006034665 is a deficient number, since it is larger than the sum of its proper divisors (41319900183).

42006034665 is a wasteful number, since it uses less digits than its factorization.

42006034665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182678 (or 182675 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

Adding to 42006034665 its reverse (56643060024), we get a palindrome (98649094689).

The spelling of 42006034665 in words is "forty-two billion, six million, thirty-four thousand, six hundred sixty-five".