545443332400 has 60 divisors (see below), whose sum is σ = 1312123599072. Its totient is φ = 217894961920.

The previous prime is 545443332373. The next prime is 545443332407. The reversal of 545443332400 is 4233344545.

It is a super-3 number, since 3×545443332400³ (a number of 36 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 545443332400.

It is not an unprimeable number, because it can be changed into a prime (545443332407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 572824 + ... + 1191223.

Almost surely, 2^545443332400 is an apocalyptic number.

545443332400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545443332400 is an abundant number, since it is smaller than the sum of its proper divisors (766680266672).

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

545443332400 is a wasteful number, since it uses less digits than its factorization.

545443332400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1764838 (or 1764827 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 37.

Adding to 545443332400 its reverse (4233344545), we get a palindrome (549676676945).

The spelling of 545443332400 in words is "five hundred forty-five billion, four hundred forty-three million, three hundred thirty-two thousand, four hundred".