2160420444 has 96 divisors (see below), whose sum is σ = 6893680640. Its totient is φ = 569778624.

The previous prime is 2160420413. The next prime is 2160420461. The reversal of 2160420444 is 4440240612.

It is a happy number.

2160420444 is a `hidden beast` number, since 216 + 0 + 4 + 2 + 0 + 444 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100084 + ... + 119739.

Almost surely, 2^2160420444 is an apocalyptic number.

It is an amenable number.

2160420444 is an abundant number, since it is smaller than the sum of its proper divisors (4733260196).

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

2160420444 is a wasteful number, since it uses less digits than its factorization.

2160420444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219856 (or 219848 counting only the distinct ones).

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

The square root of 2160420444 is about 46480.3231916475. The cubic root of 2160420444 is about 1292.7446807203.

The spelling of 2160420444 in words is "two billion, one hundred sixty million, four hundred twenty thousand, four hundred forty-four".