4545515320 has 64 divisors (see below), whose sum is σ = 10445228640. Its totient is φ = 1779648000.

The previous prime is 4545515279. The next prime is 4545515321. The reversal of 4545515320 is 235155454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4545515321) 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, 974995 + ... + 979645.

Almost surely, 2^4545515320 is an apocalyptic number.

4545515320 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 4545515320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5222614320).

4545515320 is an abundant number, since it is smaller than the sum of its proper divisors (5899713320).

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

4545515320 is a wasteful number, since it uses less digits than its factorization.

4545515320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5176 (or 5172 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

The square root of 4545515320 is about 67420.4369609097. The cubic root of 4545515320 is about 1656.5111950331.

The spelling of 4545515320 in words is "four billion, five hundred forty-five million, five hundred fifteen thousand, three hundred twenty".