34505000840 has 128 divisors (see below), whose sum is σ = 80721653760. Its totient is φ = 13265731584.

The previous prime is 34505000839. The next prime is 34505000851. The reversal of 34505000840 is 4800050543.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 29925704 + ... + 29926856.

It is an arithmetic number, because the mean of its divisors is an integer number (630637920).

Almost surely, 2^34505000840 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34505000840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40360826880).

34505000840 is an abundant number, since it is smaller than the sum of its proper divisors (46216652920).

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

34505000840 is a wasteful number, since it uses less digits than its factorization.

34505000840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1471 (or 1467 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The spelling of 34505000840 in words is "thirty-four billion, five hundred five million, eight hundred forty", and thus it is an aban number.