545440322 has 8 divisors (see below), whose sum is σ = 935040576. Its totient is φ = 233760132.

The previous prime is 545440321. The next prime is 545440339. The reversal of 545440322 is 223044545.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (545440321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19479998 + ... + 19480025.

It is an arithmetic number, because the mean of its divisors is an integer number (116880072).

Almost surely, 2^545440322 is an apocalyptic number.

545440322 is a deficient number, since it is larger than the sum of its proper divisors (389600254).

545440322 is a wasteful number, since it uses less digits than its factorization.

545440322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38960032.

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 545440322 is about 23354.6638168910. The cubic root of 545440322 is about 817.0508386231.

Adding to 545440322 its reverse (223044545), we get a palindrome (768484867).

The spelling of 545440322 in words is "five hundred forty-five million, four hundred forty thousand, three hundred twenty-two".