425488284 has 72 divisors (see below), whose sum is σ = 1164904832. Its totient is φ = 130170240.

The previous prime is 425488267. The next prime is 425488289. The reversal of 425488284 is 482884524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425488289) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 82197 + ... + 87219.

Almost surely, 2^425488284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425488284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (582452416).

425488284 is an abundant number, since it is smaller than the sum of its proper divisors (739416548).

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

425488284 is a wasteful number, since it uses less digits than its factorization.

425488284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5227 (or 5222 counting only the distinct ones).

The product of its digits is 655360, while the sum is 45.

The square root of 425488284 is about 20627.3673550456. The cubic root of 425488284 is about 752.1351212417.

The spelling of 425488284 in words is "four hundred twenty-five million, four hundred eighty-eight thousand, two hundred eighty-four".