34545647840 has 96 divisors (see below), whose sum is σ = 89076171744. Its totient is φ = 12556042240.

The previous prime is 34545647833. The next prime is 34545647879. The reversal of 34545647840 is 4874654543.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 5517992 + ... + 5524248.

It is an arithmetic number, because the mean of its divisors is an integer number (927876789).

Almost surely, 2^34545647840 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 34545647840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44538085872).

34545647840 is an abundant number, since it is smaller than the sum of its proper divisors (54530523904).

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

34545647840 is a wasteful number, since it uses less digits than its factorization.

34545647840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9420 (or 9412 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 50.

The spelling of 34545647840 in words is "thirty-four billion, five hundred forty-five million, six hundred forty-seven thousand, eight hundred forty".