5445646000 has 80 divisors (see below), whose sum is σ = 13592487168. Its totient is φ = 2107968000.

The previous prime is 5445645983. The next prime is 5445646001. The reversal of 5445646000 is 6465445.

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (5445646001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18084 + ... + 105916.

Almost surely, 2^5445646000 is an apocalyptic number.

5445646000 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 5445646000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6796243584).

5445646000 is an abundant number, since it is smaller than the sum of its proper divisors (8146841168).

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

5445646000 is a wasteful number, since it uses less digits than its factorization.

5445646000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87887 (or 87871 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 5445646000 is about 73794.6204001349. The cubic root of 5445646000 is about 1759.3401021254.

It can be divided in two parts, 544564 and 6000, that added together give a square (550564 = 742²).

The spelling of 5445646000 in words is "five billion, four hundred forty-five million, six hundred forty-six thousand".