545221042430 has 32 divisors (see below), whose sum is σ = 986177009664. Its totient is φ = 217027139616.

The previous prime is 545221042411. The next prime is 545221042439. The reversal of 545221042430 is 34240122545.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545221042439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5937527 + ... + 6028653.

It is an arithmetic number, because the mean of its divisors is an integer number (30818031552).

Almost surely, 2^545221042430 is an apocalyptic number.

545221042430 is a deficient number, since it is larger than the sum of its proper divisors (440955967234).

545221042430 is a wasteful number, since it uses less digits than its factorization.

545221042430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94040.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 545221042430 its reverse (34240122545), we get a palindrome (579461164975).

The spelling of 545221042430 in words is "five hundred forty-five billion, two hundred twenty-one million, forty-two thousand, four hundred thirty".