5400320544 has 120 divisors (see below), whose sum is σ = 15906578688. Its totient is φ = 1797344640.

The previous prime is 5400320537. The next prime is 5400320557. The reversal of 5400320544 is 4450230045.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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, 2360169 + ... + 2362455.

Almost surely, 2^5400320544 is an apocalyptic number.

5400320544 is a gapful number since it is divisible by the number (54) 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 5400320544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7953289344).

5400320544 is an abundant number, since it is smaller than the sum of its proper divisors (10506258144).

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

5400320544 is a wasteful number, since it uses less digits than its factorization.

5400320544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220 (or 3203 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 5400320544 is about 73486.8732767969. The cubic root of 5400320544 is about 1754.4453561795.

Adding to 5400320544 its reverse (4450230045), we get a palindrome (9850550589).

It can be divided in two parts, 54003 and 20544, that added together give a palindrome (74547).

The spelling of 5400320544 in words is "five billion, four hundred million, three hundred twenty thousand, five hundred forty-four".