34021319028 has 48 divisors (see below), whose sum is σ = 82224132480. Its totient is φ = 10935562624.

The previous prime is 34021319023. The next prime is 34021319051. The reversal of 34021319028 is 82091312043.

It is a self number, because there is not a number n which added to its sum of digits gives 34021319028.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34021319021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 216025 + ... + 338687.

It is an arithmetic number, because the mean of its divisors is an integer number (1713002760).

Almost surely, 2^34021319028 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 34021319028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41112066240).

34021319028 is an abundant number, since it is smaller than the sum of its proper divisors (48202813452).

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

34021319028 is a wasteful number, since it uses less digits than its factorization.

34021319028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123496 (or 123494 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The spelling of 34021319028 in words is "thirty-four billion, twenty-one million, three hundred nineteen thousand, twenty-eight".