4512045320 has 64 divisors (see below), whose sum is σ = 10445224320. Its totient is φ = 1753449984.

The previous prime is 4512045283. The next prime is 4512045347. The reversal of 4512045320 is 235402154.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4512045320.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 184109 + ... + 207171.

It is an arithmetic number, because the mean of its divisors is an integer number (163206630).

Almost surely, 2^4512045320 is an apocalyptic number.

4512045320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4512045320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5222612160).

4512045320 is an abundant number, since it is smaller than the sum of its proper divisors (5933179000).

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

4512045320 is a wasteful number, since it uses less digits than its factorization.

4512045320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23214 (or 23210 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 4512045320 is about 67171.7598399804. The cubic root of 4512045320 is about 1652.4353776294.

Adding to 4512045320 its reverse (235402154), we get a palindrome (4747447474).

The spelling of 4512045320 in words is "four billion, five hundred twelve million, forty-five thousand, three hundred twenty".