34438857520 has 40 divisors (see below), whose sum is σ = 80847745056. Its totient is φ = 13641796608.

The previous prime is 34438857463. The next prime is 34438857539. The reversal of 34438857520 is 2575883443.

It is a tau number, because it is divible by the number of its divisors (40).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2081497 + ... + 2097976.

Almost surely, 2^34438857520 is an apocalyptic number.

It is an amenable number.

34438857520 is an abundant number, since it is smaller than the sum of its proper divisors (46408887536).

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

34438857520 is a wasteful number, since it uses less digits than its factorization.

34438857520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4179589 (or 4179583 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 49.

The spelling of 34438857520 in words is "thirty-four billion, four hundred thirty-eight million, eight hundred fifty-seven thousand, five hundred twenty".