34380205578 has 24 divisors (see below), whose sum is σ = 78872237028. Its totient is φ = 10785946752.

The previous prime is 34380205553. The next prime is 34380205579. The reversal of 34380205578 is 87550208343.

34380205578 is a `hidden beast` number, since 3 + 438 + 0 + 205 + 5 + 7 + 8 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 32712871689 + 1667333889 = 180867^2 + 40833^2 .

It is not an unprimeable number, because it can be changed into a prime (34380205579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56176501 + ... + 56177112.

Almost surely, 2^34380205578 is an apocalyptic number.

34380205578 is an abundant number, since it is smaller than the sum of its proper divisors (44492031450).

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

34380205578 is a wasteful number, since it uses less digits than its factorization.

34380205578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112353638 (or 112353635 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 34380205578 in words is "thirty-four billion, three hundred eighty million, two hundred five thousand, five hundred seventy-eight".