3420240312 has 64 divisors (see below), whose sum is σ = 9034416000. Its totient is φ = 1076022144.

The previous prime is 3420240301. The next prime is 3420240347. The reversal of 3420240312 is 2130420243.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 108723 + ... + 136605.

It is an arithmetic number, because the mean of its divisors is an integer number (141162750).

Almost surely, 2^3420240312 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 3420240312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4517208000).

3420240312 is an abundant number, since it is smaller than the sum of its proper divisors (5614175688).

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

3420240312 is a wasteful number, since it uses less digits than its factorization.

3420240312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28180 (or 28176 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 3420240312 is about 58482.8206570100. The cubic root of 3420240312 is about 1506.6725425498.

Adding to 3420240312 its reverse (2130420243), we get a palindrome (5550660555).

The spelling of 3420240312 in words is "three billion, four hundred twenty million, two hundred forty thousand, three hundred twelve".