4422449880 has 256 divisors, whose sum is σ = 15648768000. Its totient is φ = 1107800064.

The previous prime is 4422449879. The next prime is 4422449893. The reversal of 4422449880 is 889442244.

4422449880 is a `hidden beast` number, since 442 + 2 + 44 + 98 + 80 = 666.

It is a super-2 number, since 2×4422449880² = 39116125882224028800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2605192 + ... + 2606888.

It is an arithmetic number, because the mean of its divisors is an integer number (61128000).

Almost surely, 2^4422449880 is an apocalyptic number.

4422449880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4422449880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7824384000).

4422449880 is an abundant number, since it is smaller than the sum of its proper divisors (11226318120).

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

4422449880 is a wasteful number, since it uses less digits than its factorization.

4422449880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1853 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The square root of 4422449880 is about 66501.5028401614. The cubic root of 4422449880 is about 1641.4247335624.

The spelling of 4422449880 in words is "four billion, four hundred twenty-two million, four hundred forty-nine thousand, eight hundred eighty".