3420310340 has 48 divisors (see below), whose sum is σ = 7419695472. Its totient is φ = 1323403776.

The previous prime is 3420310339. The next prime is 3420310379. The reversal of 3420310340 is 430130243.

It can be written as a sum of positive squares in 8 ways, for example, as 185885956 + 3234424384 = 13634^2 + 56872^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114662 + ... + 141378.

It is an arithmetic number, because the mean of its divisors is an integer number (154576989).

Almost surely, 2^3420310340 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 3420310340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3709847736).

3420310340 is an abundant number, since it is smaller than the sum of its proper divisors (3999385132).

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

3420310340 is a wasteful number, since it uses less digits than its factorization.

3420310340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26936 (or 26934 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3420310340 is about 58483.4193596783. The cubic root of 3420310340 is about 1506.6828253112.

Adding to 3420310340 its reverse (430130243), we get a palindrome (3850440583).

The spelling of 3420310340 in words is "three billion, four hundred twenty million, three hundred ten thousand, three hundred forty".