5120420452 has 48 divisors (see below), whose sum is σ = 10487070720. Its totient is φ = 2141956512.

The previous prime is 5120420407. The next prime is 5120420453. The reversal of 5120420452 is 2540240215.

It is not an unprimeable number, because it can be changed into a prime (5120420453) 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, 498949 + ... + 509107.

It is an arithmetic number, because the mean of its divisors is an integer number (218480640).

Almost surely, 2^5120420452 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 5120420452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5243535360).

5120420452 is an abundant number, since it is smaller than the sum of its proper divisors (5366650268).

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

5120420452 is a wasteful number, since it uses less digits than its factorization.

5120420452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10600 (or 10598 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

The square root of 5120420452 is about 71557.1132173455. The cubic root of 5120420452 is about 1723.5949297120.

Adding to 5120420452 its reverse (2540240215), we get a palindrome (7660660667).

The spelling of 5120420452 in words is "five billion, one hundred twenty million, four hundred twenty thousand, four hundred fifty-two".