34143231444520 has 128 divisors (see below), whose sum is σ = 85147695072000. Its totient is φ = 12217742714880.

The previous prime is 34143231444463. The next prime is 34143231444527. The reversal of 34143231444520 is 2544413234143.

34143231444520 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (34143231444527) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12889986 + ... + 15311374.

It is an arithmetic number, because the mean of its divisors is an integer number (665216367750).

Almost surely, 2^{34143231444520} 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 34143231444520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42573847536000).

34143231444520 is an abundant number, since it is smaller than the sum of its proper divisors (51004463627480).

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

34143231444520 is a wasteful number, since it uses less digits than its factorization.

34143231444520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421923 (or 2421919 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 40.

Adding to 34143231444520 its reverse (2544413234143), we get a palindrome (36687644678663).

The spelling of 34143231444520 in words is "thirty-four trillion, one hundred forty-three billion, two hundred thirty-one million, four hundred forty-four thousand, five hundred twenty".