5152040420 has 24 divisors (see below), whose sum is σ = 10822580664. Its totient is φ = 2060188416.

The previous prime is 5152040389. The next prime is 5152040441. The reversal of 5152040420 is 240402515.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10863616 + 5141176804 = 3296^2 + 71702^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31142 + ... + 106178.

It is an arithmetic number, because the mean of its divisors is an integer number (450940861).

Almost surely, 2^5152040420 is an apocalyptic number.

It is an amenable number.

5152040420 is an abundant number, since it is smaller than the sum of its proper divisors (5670540244).

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

5152040420 is a wasteful number, since it uses less digits than its factorization.

5152040420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78479 (or 78477 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 5152040420 is about 71777.7153439701. The cubic root of 5152040420 is about 1727.1355384216.

Adding to 5152040420 its reverse (240402515), we get a palindrome (5392442935).

The spelling of 5152040420 in words is "five billion, one hundred fifty-two million, forty thousand, four hundred twenty".