4405448520 has 384 divisors, whose sum is σ = 16770499200. Its totient is φ = 1020096000.

The previous prime is 4405448507. The next prime is 4405448557. The reversal of 4405448520 is 258445044.

4405448520 is a `hidden beast` number, since 4 + 40 + 54 + 48 + 520 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6284170 + ... + 6284870.

It is an arithmetic number, because the mean of its divisors is an integer number (43673175).

Almost surely, 2^4405448520 is an apocalyptic number.

4405448520 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 4405448520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8385249600).

4405448520 is an abundant number, since it is smaller than the sum of its proper divisors (12365050680).

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

4405448520 is a wasteful number, since it uses less digits than its factorization.

4405448520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 745 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 36.

The square root of 4405448520 is about 66373.5528655804. The cubic root of 4405448520 is about 1639.3186392269.

The spelling of 4405448520 in words is "four billion, four hundred five million, four hundred forty-eight thousand, five hundred twenty".