428493199824 has 100 divisors (see below), whose sum is σ = 1266570702144. Its totient is φ = 139792087872.

The previous prime is 428493199811. The next prime is 428493199847. The reversal of 428493199824 is 428991394824.

428493199824 is a `hidden beast` number, since 4 + 28 + 493 + 19 + 98 + 24 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3456402 + ... + 3578225.

Almost surely, 2^428493199824 is an apocalyptic number.

It is an amenable number.

428493199824 is an abundant number, since it is smaller than the sum of its proper divisors (838077502320).

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

428493199824 is a wasteful number, since it uses less digits than its factorization.

428493199824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7034694 (or 7034679 counting only the distinct ones).

The product of its digits is 35831808, while the sum is 63.

The spelling of 428493199824 in words is "four hundred twenty-eight billion, four hundred ninety-three million, one hundred ninety-nine thousand, eight hundred twenty-four".