3420346880 has 80 divisors (see below), whose sum is σ = 8235035424. Its totient is φ = 1362432000.

The previous prime is 3420346877. The next prime is 3420346903. The reversal of 3420346880 is 886430243.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639899 + ... + 645221.

Almost surely, 2^3420346880 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 3420346880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4117517712).

3420346880 is an abundant number, since it is smaller than the sum of its proper divisors (4814688544).

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

3420346880 is an equidigital number, since it uses as much as digits as its factorization.

3420346880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5597 (or 5581 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 3420346880 is about 58483.7317550787. The cubic root of 3420346880 is about 1506.6881907107.

The spelling of 3420346880 in words is "three billion, four hundred twenty million, three hundred forty-six thousand, eight hundred eighty".