425533824 has 96 divisors (see below), whose sum is σ = 1269963240. Its totient is φ = 141834240.

The previous prime is 425533789. The next prime is 425533847. The reversal of 425533824 is 428335524.

425533824 is a `hidden beast` number, since 42 + 5 + 533 + 82 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24264 + ... + 37944.

Almost surely, 2^425533824 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 425533824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (634981620).

425533824 is an abundant number, since it is smaller than the sum of its proper divisors (844429416).

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

425533824 is an equidigital number, since it uses as much as digits as its factorization.

425533824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13710 (or 13686 counting only the distinct ones).

The product of its digits is 115200, while the sum is 36.

The square root of 425533824 is about 20628.4711988068. The cubic root of 425533824 is about 752.1619539520.

The spelling of 425533824 in words is "four hundred twenty-five million, five hundred thirty-three thousand, eight hundred twenty-four".