5445520000 has 160 divisors (see below), whose sum is σ = 13880306880. Its totient is φ = 2126208000.

The previous prime is 5445519983. The next prime is 5445520021. The reversal of 5445520000 is 255445.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3439209 + ... + 3440791.

It is an arithmetic number, because the mean of its divisors is an integer number (86751918).

Almost surely, 2^5445520000 is an apocalyptic number.

5445520000 is a gapful number since it is divisible by the number (50) 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 5445520000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6940153440).

5445520000 is an abundant number, since it is smaller than the sum of its proper divisors (8434786880).

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

5445520000 is an equidigital number, since it uses as much as digits as its factorization.

5445520000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1660 (or 1633 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 25.

The square root of 5445520000 is about 73793.7666744285. The cubic root of 5445520000 is about 1759.3265329632.

Adding to 5445520000 its reverse (255445), we get a palindrome (5445775445).

The spelling of 5445520000 in words is "five billion, four hundred forty-five million, five hundred twenty thousand".