3420820044 has 36 divisors (see below), whose sum is σ = 8768869200. Its totient is φ = 1124212320.

The previous prime is 3420820033. The next prime is 3420820049. The reversal of 3420820044 is 4400280243.

It is a happy number.

3420820044 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (3420820049) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 666619 + ... + 671730.

It is an arithmetic number, because the mean of its divisors is an integer number (243579700).

Almost surely, 2^3420820044 is an apocalyptic number.

It is an amenable number.

3420820044 is an abundant number, since it is smaller than the sum of its proper divisors (5348049156).

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

3420820044 is a wasteful number, since it uses less digits than its factorization.

3420820044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338430 (or 1338425 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 3420820044 is about 58487.7768768826. The cubic root of 3420820044 is about 1506.7576649253.

The spelling of 3420820044 in words is "three billion, four hundred twenty million, eight hundred twenty thousand, forty-four".