5120045520 has 160 divisors (see below), whose sum is σ = 16874455680. Its totient is φ = 1280563200.

The previous prime is 5120045509. The next prime is 5120045521. The reversal of 5120045520 is 255400215.

It is a happy number.

It is a super-2 number, since 2×5120045520² = 52429732253744140800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120045521) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 455002 + ... + 466118.

It is an arithmetic number, because the mean of its divisors is an integer number (105465348).

Almost surely, 2^5120045520 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5120045520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8437227840).

5120045520 is an abundant number, since it is smaller than the sum of its proper divisors (11754410160).

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

5120045520 is a wasteful number, since it uses less digits than its factorization.

5120045520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253 (or 11247 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 24.

The square root of 5120045520 is about 71554.4933599561. The cubic root of 5120045520 is about 1723.5528598159.

Adding to 5120045520 its reverse (255400215), we get a palindrome (5375445735).

The spelling of 5120045520 in words is "five billion, one hundred twenty million, forty-five thousand, five hundred twenty".