5545442243520 has 280 divisors, whose sum is σ = 19996341205104. Its totient is φ = 1458526777344.

The previous prime is 5545442243479. The next prime is 5545442243543. The reversal of 5545442243520 is 253422445455.

5545442243520 is a `hidden beast` number, since 5 + 5 + 45 + 4 + 42 + 2 + 43 + 520 = 666.

It is a super-2 number, since 2×5545442243520² (a number of 26 digits) contains 22 as substring.

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 pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 426787 + ... + 3357533.

Almost surely, 2^{5545442243520} 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 5545442243520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9998170602552).

5545442243520 is an abundant number, since it is smaller than the sum of its proper divisors (14450898961584).

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

5545442243520 is a wasteful number, since it uses less digits than its factorization.

5545442243520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2930849 (or 2930830 counting only the distinct ones).

The product of its (nonzero) digits is 3840000, while the sum is 45.

Adding to 5545442243520 its reverse (253422445455), we get a palindrome (5798864688975).

The spelling of 5545442243520 in words is "five trillion, five hundred forty-five billion, four hundred forty-two million, two hundred forty-three thousand, five hundred twenty".