425298816 has 128 divisors (see below), whose sum is σ = 1267860000. Its totient is φ = 140341248.

The previous prime is 425298737. The next prime is 425298829. The reversal of 425298816 is 618892524.

425298816 is a `hidden beast` number, since 42 + 529 + 8 + 81 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 376140 + ... + 377268.

Almost surely, 2^425298816 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 425298816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (633930000).

425298816 is an abundant number, since it is smaller than the sum of its proper divisors (842561184).

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

425298816 is a wasteful number, since it uses less digits than its factorization.

425298816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1261 (or 1243 counting only the distinct ones).

The product of its digits is 276480, while the sum is 45.

The square root of 425298816 is about 20622.7742071720. The cubic root of 425298816 is about 752.0234638823.

The spelling of 425298816 in words is "four hundred twenty-five million, two hundred ninety-eight thousand, eight hundred sixteen".