4545514240 has 72 divisors (see below), whose sum is σ = 10957761360. Its totient is φ = 1806544896.

The previous prime is 4545514223. The next prime is 4545514249. The reversal of 4545514240 is 424155454.

It is a junction number, because it is equal to n+sod(n) for n = 4545514196 and 4545514205.

It is not an unprimeable number, because it can be changed into a prime (4545514249) 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, 189651 + ... + 212269.

It is an arithmetic number, because the mean of its divisors is an integer number (152191130).

Almost surely, 2^4545514240 is an apocalyptic number.

4545514240 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 4545514240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5478880680).

4545514240 is an abundant number, since it is smaller than the sum of its proper divisors (6412247120).

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

4545514240 is a wasteful number, since it uses less digits than its factorization.

4545514240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22797 (or 22783 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 34.

The square root of 4545514240 is about 67420.4289514684. The cubic root of 4545514240 is about 1656.5110638392.

Adding to 4545514240 its reverse (424155454), we get a palindrome (4969669694).

It can be divided in two parts, 45455 and 14240, that added together give a palindrome (59695).

The spelling of 4545514240 in words is "four billion, five hundred forty-five million, five hundred fourteen thousand, two hundred forty".