4055224644 has 72 divisors (see below), whose sum is σ = 10802398880. Its totient is φ = 1279152000.

The previous prime is 4055224643. The next prime is 4055224697. The reversal of 4055224644 is 4464225504.

4055224644 is a `hidden beast` number, since 4 + 0 + 5 + 5 + 2 + 2 + 4 + 644 = 666.

4055224644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4055224599 and 4055224608.

It is not an unprimeable number, because it can be changed into a prime (4055224643) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 716064 + ... + 721704.

Almost surely, 2^4055224644 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 4055224644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5401199440).

4055224644 is an abundant number, since it is smaller than the sum of its proper divisors (6747174236).

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

4055224644 is a wasteful number, since it uses less digits than its factorization.

4055224644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6721 (or 6716 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

The square root of 4055224644 is about 63680.6457567761. The cubic root of 4055224644 is about 1594.6729929092.

The spelling of 4055224644 in words is "four billion, fifty-five million, two hundred twenty-four thousand, six hundred forty-four".