4540115320 has 128 divisors (see below), whose sum is σ = 11457391680. Its totient is φ = 1608192000.

The previous prime is 4540115263. The next prime is 4540115401. The reversal of 4540115320 is 235110454.

It is a happy number.

It is a super-2 number, since 2×4540115320² = 41225294237797404800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298775 + ... + 1302265.

Almost surely, 2^4540115320 is an apocalyptic number.

4540115320 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 4540115320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5728695840).

4540115320 is an abundant number, since it is smaller than the sum of its proper divisors (6917276360).

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

4540115320 is a wasteful number, since it uses less digits than its factorization.

4540115320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3613 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 4540115320 is about 67380.3778558714. The cubic root of 4540115320 is about 1655.8549654384.

Adding to 4540115320 its reverse (235110454), we get a palindrome (4775225774).

The spelling of 4540115320 in words is "four billion, five hundred forty million, one hundred fifteen thousand, three hundred twenty".