5120354440 has 32 divisors (see below), whose sum is σ = 12198493080. Its totient is φ = 1927662592.

The previous prime is 5120354419. The next prime is 5120354443. The reversal of 5120354440 is 444530215.

It can be written as a sum of positive squares in 4 ways, for example, as 3100930596 + 2019423844 = 55686^2 + 44938^2 .

It is a junction number, because it is equal to n+sod(n) for n = 5120354399 and 5120354408.

It is not an unprimeable number, because it can be changed into a prime (5120354443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3764287 + ... + 3765646.

Almost surely, 2^5120354440 is an apocalyptic number.

It is an amenable number.

5120354440 is an abundant number, since it is smaller than the sum of its proper divisors (7078138640).

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

5120354440 is a wasteful number, since it uses less digits than its factorization.

5120354440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7529961 (or 7529957 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 5120354440 is about 71556.6519619245. The cubic root of 5120354440 is about 1723.5875228698.

Adding to 5120354440 its reverse (444530215), we get a palindrome (5564884655).

The spelling of 5120354440 in words is "five billion, one hundred twenty million, three hundred fifty-four thousand, four hundred forty".