425405430 has 48 divisors (see below), whose sum is σ = 1113512400. Its totient is φ = 112676544.

The previous prime is 425405411. The next prime is 425405471. The reversal of 425405430 is 34504524.

425405430 is a `hidden beast` number, since 42 + 540 + 54 + 30 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 425405394 and 425405403.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2452 + ... + 29271.

It is an arithmetic number, because the mean of its divisors is an integer number (23198175).

Almost surely, 2^425405430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425405430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556756200).

425405430 is an abundant number, since it is smaller than the sum of its proper divisors (688106970).

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

425405430 is a wasteful number, since it uses less digits than its factorization.

425405430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31885 (or 31882 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 425405430 is about 20625.3589059682. The cubic root of 425405430 is about 752.0862977676.

Adding to 425405430 its reverse (34504524), we get a palindrome (459909954).

The spelling of 425405430 in words is "four hundred twenty-five million, four hundred five thousand, four hundred thirty".