5240440425 has 72 divisors (see below), whose sum is σ = 9781471168. Its totient is φ = 2471990400.

The previous prime is 5240440421. The next prime is 5240440481.

5240440425 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 5240440425 - 2² = 5240440421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5240440392 and 5240440401.

It is not an unprimeable number, because it can be changed into a prime (5240440421) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 327972 + ... + 343578.

Almost surely, 2^5240440425 is an apocalyptic number.

5240440425 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5240440425 is a deficient number, since it is larger than the sum of its proper divisors (4541030743).

5240440425 is a wasteful number, since it uses less digits than its factorization.

5240440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15679 (or 15663 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 5240440425 is about 72390.8863393729. The cubic root of 5240440425 is about 1736.9577819154.

It can be divided in two parts, 52404 and 40425, that added together give a palindrome (92829).

The spelling of 5240440425 in words is "five billion, two hundred forty million, four hundred forty thousand, four hundred twenty-five".