34121455320 has 128 divisors (see below), whose sum is σ = 104192259840. Its totient is φ = 8937008640.

The previous prime is 34121455289. The next prime is 34121455321. The reversal of 34121455320 is 2355412143.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34121455321) 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 31 ways as a sum of consecutive naturals, for example, 5757879 + ... + 5763801.

It is an arithmetic number, because the mean of its divisors is an integer number (814002030).

Almost surely, 2^34121455320 is an apocalyptic number.

34121455320 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 34121455320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52096129920).

34121455320 is an abundant number, since it is smaller than the sum of its proper divisors (70070804520).

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

34121455320 is a wasteful number, since it uses less digits than its factorization.

34121455320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6785 (or 6781 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 34121455320 its reverse (2355412143), we get a palindrome (36476867463).

The spelling of 34121455320 in words is "thirty-four billion, one hundred twenty-one million, four hundred fifty-five thousand, three hundred twenty".