425185824 has 48 divisors (see below), whose sum is σ = 1275559488. Its totient is φ = 121481472.

The previous prime is 425185811. The next prime is 425185853. The reversal of 425185824 is 428581524.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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, 315687 + ... + 317030.

It is an arithmetic number, because the mean of its divisors is an integer number (26574156).

Almost surely, 2^425185824 is an apocalyptic number.

It is an amenable number.

425185824 is an abundant number, since it is smaller than the sum of its proper divisors (850373664).

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

425185824 is a wasteful number, since it uses less digits than its factorization.

425185824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632737 (or 632729 counting only the distinct ones).

The product of its digits is 102400, while the sum is 39.

The square root of 425185824 is about 20620.0345295540. The cubic root of 425185824 is about 751.9568596046.

The spelling of 425185824 in words is "four hundred twenty-five million, one hundred eighty-five thousand, eight hundred twenty-four".