545443015324200 has 384 divisors, whose sum is σ = 1996308772823040. Its totient is φ = 120557496960000.

The previous prime is 545443015324183. The next prime is 545443015324201. The reversal of 545443015324200 is 2423510344545.

It is a super-2 number, since 2×545443015324200² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (545443015324201) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 166465710 + ... + 169710690.

It is an arithmetic number, because the mean of its divisors is an integer number (5198720762560).

Almost surely, 2^{545443015324200} is an apocalyptic number.

545443015324200 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 545443015324200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (998154386411520).

545443015324200 is an abundant number, since it is smaller than the sum of its proper divisors (1450865757498840).

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

545443015324200 is a wasteful number, since it uses less digits than its factorization.

545443015324200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246329 (or 3246320 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 42.

Adding to 545443015324200 its reverse (2423510344545), we get a palindrome (547866525668745).

The spelling of 545443015324200 in words is "five hundred forty-five trillion, four hundred forty-three billion, fifteen million, three hundred twenty-four thousand, two hundred".