505445342320030 has 16 divisors (see below), whose sum is σ = 1039773275629920. Its totient is φ = 173295545938272.

The previous prime is 505445342320027. The next prime is 505445342320033. The reversal of 505445342320030 is 30023243544505.

It is an interprime number because it is at equal distance from previous prime (505445342320027) and next prime (505445342320033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (505445342320033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3610323873645 + ... + 3610323873784.

It is an arithmetic number, because the mean of its divisors is an integer number (64985829726870).

Almost surely, 2^{505445342320030} is an apocalyptic number.

505445342320030 is an abundant number, since it is smaller than the sum of its proper divisors (534327933309890).

505445342320030 is a wasteful number, since it uses less digits than its factorization.

505445342320030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7220647747443.

The product of its (nonzero) digits is 864000, while the sum is 40.

Adding to 505445342320030 its reverse (30023243544505), we get a palindrome (535468585864535).

The spelling of 505445342320030 in words is "five hundred five trillion, four hundred forty-five billion, three hundred forty-two million, three hundred twenty thousand, thirty".