34145404420 has 24 divisors (see below), whose sum is σ = 71709309504. Its totient is φ = 13657407456.

The previous prime is 34145404399. The next prime is 34145404421. The reversal of 34145404420 is 2440454143.

It is not an unprimeable number, because it can be changed into a prime (34145404421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 453937 + ... + 523783.

It is an arithmetic number, because the mean of its divisors is an integer number (2987887896).

Almost surely, 2^34145404420 is an apocalyptic number.

It is an amenable number.

34145404420 is an abundant number, since it is smaller than the sum of its proper divisors (37563905084).

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

34145404420 is a wasteful number, since it uses less digits than its factorization.

34145404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94299 (or 94297 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 31.

Adding to 34145404420 its reverse (2440454143), we get a palindrome (36585858563).

The spelling of 34145404420 in words is "thirty-four billion, one hundred forty-five million, four hundred four thousand, four hundred twenty".