5444400052 has 48 divisors (see below), whose sum is σ = 11772230400. Its totient is φ = 2145411072.

The previous prime is 5444400047. The next prime is 5444400067. The reversal of 5444400052 is 2500044445.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64449 + ... + 122647.

It is an arithmetic number, because the mean of its divisors is an integer number (245254800).

Almost surely, 2^5444400052 is an apocalyptic number.

5444400052 is a gapful number since it is divisible by the number (52) 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 5444400052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5886115200).

5444400052 is an abundant number, since it is smaller than the sum of its proper divisors (6327830348).

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

5444400052 is a wasteful number, since it uses less digits than its factorization.

5444400052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58480 (or 58478 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 5444400052 is about 73786.1779197161. The cubic root of 5444400052 is about 1759.2059145879.

Adding to 5444400052 its reverse (2500044445), we get a palindrome (7944444497).

The spelling of 5444400052 in words is "five billion, four hundred forty-four million, four hundred thousand, fifty-two".