425880 has 144 divisors (see below), whose sum is σ = 1712880. Its totient is φ = 89856.

The previous prime is 425879. The next prime is 425899. The reversal of 425880 is 88524.

425880 = 27³ + 28³ + ... + 38³.

425880 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 2 and base 13.

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 425880.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32754 + ... + 32766.

It is an arithmetic number, because the mean of its divisors is an integer number (11895).

2⁴²⁵⁸⁸⁰ is an apocalyptic number.

425880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (856440).

425880 is an abundant number, since it is smaller than the sum of its proper divisors (1287000).

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

425880 is a wasteful number, since it uses less digits than its factorization.

425880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 27.

The square root of 425880 is about 652.5948206966. The cubic root of 425880 is about 75.2365862413.

The spelling of 425880 in words is "four hundred twenty-five thousand, eight hundred eighty".