4420823946 has 128 divisors (see below), whose sum is σ = 11240570880. Its totient is φ = 1125835200.

The previous prime is 4420823941. The next prime is 4420823959. The reversal of 4420823946 is 6493280244.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 4420823898 and 4420823907.

It is not an unprimeable number, because it can be changed into a prime (4420823941) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 10069995 + ... + 10070433.

It is an arithmetic number, because the mean of its divisors is an integer number (87816960).

Almost surely, 2^4420823946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4420823946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5620285440).

4420823946 is an abundant number, since it is smaller than the sum of its proper divisors (6819746934).

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

4420823946 is a wasteful number, since it uses less digits than its factorization.

4420823946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 840.

The product of its (nonzero) digits is 331776, while the sum is 42.

The square root of 4420823946 is about 66489.2769249298. The cubic root of 4420823946 is about 1641.2235497923.

The spelling of 4420823946 in words is "four billion, four hundred twenty million, eight hundred twenty-three thousand, nine hundred forty-six".