425940 has 48 divisors (see below), whose sum is σ = 1236480. Its totient is φ = 109440.

The previous prime is 425939. The next prime is 425959. The reversal of 425940 is 49524.

It is a nialpdrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 425940.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425940.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1746 + ... + 1974.

It is an arithmetic number, because the mean of its divisors is an integer number (25760).

2⁴²⁵⁹⁴⁰ 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 425940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618240).

425940 is an abundant number, since it is smaller than the sum of its proper divisors (810540).

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

425940 is a wasteful number, since it uses less digits than its factorization.

425940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 425940 is about 652.6407894087. The cubic root of 425940 is about 75.2401193047.

The spelling of 425940 in words is "four hundred twenty-five thousand, nine hundred forty".