5451220333200 has 240 divisors, whose sum is σ = 19085686580736. Its totient is φ = 1324015411200.

The previous prime is 5451220333193. The next prime is 5451220333201. The reversal of 5451220333200 is 23330221545.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (5451220333201) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 3677547 + ... + 4942346.

Almost surely, 2^{5451220333200} is an apocalyptic number.

5451220333200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5451220333200 is an abundant number, since it is smaller than the sum of its proper divisors (13634466247536).

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

5451220333200 is a wasteful number, since it uses less digits than its factorization.

5451220333200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8619962 (or 8619951 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

Adding to 5451220333200 its reverse (23330221545), we get a palindrome (5474550554745).

The spelling of 5451220333200 in words is "five trillion, four hundred fifty-one billion, two hundred twenty million, three hundred thirty-three thousand, two hundred".