34105216620 has 24 divisors (see below), whose sum is σ = 95494606704. Its totient is φ = 9094724416.

The previous prime is 34105216601. The next prime is 34105216627. The reversal of 34105216620 is 2661250143.

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

It is not an unprimeable number, because it can be changed into a prime (34105216627) 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 7 ways as a sum of consecutive naturals, for example, 284210079 + ... + 284210198.

It is an arithmetic number, because the mean of its divisors is an integer number (3978941946).

Almost surely, 2^34105216620 is an apocalyptic number.

34105216620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34105216620 is an abundant number, since it is smaller than the sum of its proper divisors (61389390084).

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

34105216620 is a wasteful number, since it uses less digits than its factorization.

34105216620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568420289 (or 568420287 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

Adding to 34105216620 its reverse (2661250143), we get a palindrome (36766466763).

The spelling of 34105216620 in words is "thirty-four billion, one hundred five million, two hundred sixteen thousand, six hundred twenty".