340104013220 has 24 divisors (see below), whose sum is σ = 714315034104. Its totient is φ = 136023204096.

The previous prime is 340104013219. The next prime is 340104013229. The reversal of 340104013220 is 22310401043.

It can be written as a sum of positive squares in 4 ways, for example, as 39753979456 + 300350033764 = 199384^2 + 548042^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 340104013192 and 340104013201.

It is not an unprimeable number, because it can be changed into a prime (340104013229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 998027 + ... + 1294706.

It is an arithmetic number, because the mean of its divisors is an integer number (29763126421).

Almost surely, 2^340104013220 is an apocalyptic number.

It is an amenable number.

340104013220 is an abundant number, since it is smaller than the sum of its proper divisors (374211020884).

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

340104013220 is a wasteful number, since it uses less digits than its factorization.

340104013220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300159 (or 2300157 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 340104013220 its reverse (22310401043), we get a palindrome (362414414263).

The spelling of 340104013220 in words is "three hundred forty billion, one hundred four million, thirteen thousand, two hundred twenty".