4545434320 has 40 divisors (see below), whose sum is σ = 12077869824. Its totient is φ = 1558434432.

The previous prime is 4545434293. The next prime is 4545434321. The reversal of 4545434320 is 234345454.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545434321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4057864 + ... + 4058983.

Almost surely, 2^4545434320 is an apocalyptic number.

4545434320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4545434320 is an abundant number, since it is smaller than the sum of its proper divisors (7532435504).

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

4545434320 is a wasteful number, since it uses less digits than its factorization.

4545434320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8116867 (or 8116861 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 34.

The square root of 4545434320 is about 67419.8362501720. The cubic root of 4545434320 is about 1656.5013554297.

Adding to 4545434320 its reverse (234345454), we get a palindrome (4779779774).

The spelling of 4545434320 in words is "four billion, five hundred forty-five million, four hundred thirty-four thousand, three hundred twenty".