425862128 has 40 divisors (see below), whose sum is σ = 859647360. Its totient is φ = 204145920.

The previous prime is 425862109. The next prime is 425862131. The reversal of 425862128 is 821268524.

It is a junction number, because it is equal to n+sod(n) for n = 425862091 and 425862100.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 50126 + ... + 58002.

It is an arithmetic number, because the mean of its divisors is an integer number (21491184).

Almost surely, 2^425862128 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 425862128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (429823680).

425862128 is an abundant number, since it is smaller than the sum of its proper divisors (433785232).

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

425862128 is a wasteful number, since it uses less digits than its factorization.

425862128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8025 (or 8019 counting only the distinct ones).

The product of its digits is 61440, while the sum is 38.

The square root of 425862128 is about 20636.4272101544. The cubic root of 425862128 is about 752.3553379529.

The spelling of 425862128 in words is "four hundred twenty-five million, eight hundred sixty-two thousand, one hundred twenty-eight".