425552120 has 128 divisors (see below), whose sum is σ = 1180569600. Its totient is φ = 134784000.

The previous prime is 425552117. The next prime is 425552129. The reversal of 425552120 is 21255524.

It is a self number, because there is not a number n which added to its sum of digits gives 425552120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425552129) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217145 + ... + 219095.

It is an arithmetic number, because the mean of its divisors is an integer number (9223200).

Almost surely, 2^425552120 is an apocalyptic number.

425552120 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 425552120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (590284800).

425552120 is an abundant number, since it is smaller than the sum of its proper divisors (755017480).

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

425552120 is a wasteful number, since it uses less digits than its factorization.

425552120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2029 (or 2025 counting only the distinct ones).

The product of its (nonzero) digits is 4000, while the sum is 26.

The square root of 425552120 is about 20628.9146587987. The cubic root of 425552120 is about 752.1727336339.

The spelling of 425552120 in words is "four hundred twenty-five million, five hundred fifty-two thousand, one hundred twenty".