5120354520 has 256 divisors, whose sum is σ = 17723260800. Its totient is φ = 1313832960.

The previous prime is 5120354501. The next prime is 5120354527. The reversal of 5120354520 is 254530215.

It is a happy number.

5120354520 is a `hidden beast` number, since 5 + 1 + 203 + 5 + 452 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5120354527) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3875460 + ... + 3876780.

Almost surely, 2^5120354520 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 5120354520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8861630400).

5120354520 is an abundant number, since it is smaller than the sum of its proper divisors (12602906280).

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

5120354520 is a wasteful number, since it uses less digits than its factorization.

5120354520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1475 (or 1465 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 5120354520 is about 71556.6525209222. The cubic root of 5120354520 is about 1723.5875318462.

Adding to 5120354520 its reverse (254530215), we get a palindrome (5374884735).

The spelling of 5120354520 in words is "five billion, one hundred twenty million, three hundred fifty-four thousand, five hundred twenty".