4250440425 has 48 divisors (see below), whose sum is σ = 8761439232. Its totient is φ = 1766414400.

The previous prime is 4250440423. The next prime is 4250440427. The reversal of 4250440425 is 5240440524.

It is an interprime number because it is at equal distance from previous prime (4250440423) and next prime (4250440427).

It is not a de Polignac number, because 4250440425 - 2¹ = 4250440423 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4250440392 and 4250440401.

It is not an unprimeable number, because it can be changed into a prime (4250440423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 362229 + ... + 373778.

It is an arithmetic number, because the mean of its divisors is an integer number (182529984).

Almost surely, 2^4250440425 is an apocalyptic number.

It is an amenable number.

4250440425 is an abundant number, since it is smaller than the sum of its proper divisors (4510998807).

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

4250440425 is a wasteful number, since it uses less digits than its factorization.

4250440425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736038 (or 736033 counting only the distinct ones).

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

The square root of 4250440425 is about 65195.4018700706. The cubic root of 4250440425 is about 1619.8618518836.

Adding to 4250440425 its reverse (5240440524), we get a palindrome (9490880949).

Subtracting 4250440425 from its reverse (5240440524), we obtain a palindrome (990000099).

The spelling of 4250440425 in words is "four billion, two hundred fifty million, four hundred forty thousand, four hundred twenty-five".