545020346400 has 144 divisors (see below), whose sum is σ = 1851173642304. Its totient is φ = 139019668480.

The previous prime is 545020346399. The next prime is 545020346417. The reversal of 545020346400 is 4643020545.

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 23 ways as a sum of consecutive naturals, for example, 4881579 + ... + 4991978.

It is an arithmetic number, because the mean of its divisors is an integer number (12855372516).

Almost surely, 2^545020346400 is an apocalyptic number.

545020346400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

545020346400 is an abundant number, since it is smaller than the sum of its proper divisors (1306153295904).

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

545020346400 is a wasteful number, since it uses less digits than its factorization.

545020346400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9873603 (or 9873590 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 33.

Adding to 545020346400 its reverse (4643020545), we get a palindrome (549663366945).

The spelling of 545020346400 in words is "five hundred forty-five billion, twenty million, three hundred forty-six thousand, four hundred".