5444478720 has 288 divisors, whose sum is σ = 19426176000. Its totient is φ = 1443926016.

The previous prime is 5444478703. The next prime is 5444478797. The reversal of 5444478720 is 278744445.

5444478720 is a `hidden beast` number, since 544 + 4 + 4 + 7 + 87 + 20 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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 31 ways as a sum of consecutive naturals, for example, 9088981 + ... + 9089579.

It is an arithmetic number, because the mean of its divisors is an integer number (67452000).

Almost surely, 2^5444478720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5444478720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9713088000).

5444478720 is an abundant number, since it is smaller than the sum of its proper divisors (13981697280).

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

5444478720 is a wasteful number, since it uses less digits than its factorization.

5444478720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 872 counting only the distinct ones).

The product of its (nonzero) digits is 1003520, while the sum is 45.

The square root of 5444478720 is about 73786.7109986615. The cubic root of 5444478720 is about 1759.2143876699.

The spelling of 5444478720 in words is "five billion, four hundred forty-four million, four hundred seventy-eight thousand, seven hundred twenty".