34242221420 has 96 divisors (see below), whose sum is σ = 82827360000. Its totient is φ = 11760249600.

The previous prime is 34242221417. The next prime is 34242221437. The reversal of 34242221420 is 2412224243.

It is a self number, because there is not a number n which added to its sum of digits gives 34242221420.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1371206 + ... + 1395954.

It is an arithmetic number, because the mean of its divisors is an integer number (862785000).

Almost surely, 2^34242221420 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 34242221420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41413680000).

34242221420 is an abundant number, since it is smaller than the sum of its proper divisors (48585138580).

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

34242221420 is a wasteful number, since it uses less digits than its factorization.

34242221420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25119 (or 25117 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 34242221420 its reverse (2412224243), we get a palindrome (36654445663).

The spelling of 34242221420 in words is "thirty-four billion, two hundred forty-two million, two hundred twenty-one thousand, four hundred twenty".