34420340985 has 32 divisors (see below), whose sum is σ = 56763866880. Its totient is φ = 17802220800.

The previous prime is 34420340959. The next prime is 34420340993. The reversal of 34420340985 is 58904302443.

It is not a de Polignac number, because 34420340985 - 2⁵ = 34420340953 is a prime.

It is a Curzon number.

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 31 ways as a sum of consecutive naturals, for example, 199950 + ... + 329879.

It is an arithmetic number, because the mean of its divisors is an integer number (1773870840).

Almost surely, 2^34420340985 is an apocalyptic number.

It is an amenable number.

34420340985 is a deficient number, since it is larger than the sum of its proper divisors (22343525895).

34420340985 is a wasteful number, since it uses less digits than its factorization.

34420340985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 529969.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 34420340985 in words is "thirty-four billion, four hundred twenty million, three hundred forty thousand, nine hundred eighty-five".