545044321432 has 48 divisors (see below), whose sum is σ = 1120625388000. Its totient is φ = 248374578816.

The previous prime is 545044321421. The next prime is 545044321463. The reversal of 545044321432 is 234123440545.

It is a junction number, because it is equal to n+sod(n) for n = 545044321391 and 545044321400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2444707 + ... + 2658322.

It is an arithmetic number, because the mean of its divisors is an integer number (23346362250).

Almost surely, 2^545044321432 is an apocalyptic number.

545044321432 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

545044321432 is an abundant number, since it is smaller than the sum of its proper divisors (575581066568).

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

545044321432 is a wasteful number, since it uses less digits than its factorization.

545044321432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5103140 (or 5103123 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 545044321432 its reverse (234123440545), we get a palindrome (779167761977).

The spelling of 545044321432 in words is "five hundred forty-five billion, forty-four million, three hundred twenty-one thousand, four hundred thirty-two".