424999782792 has 256 divisors, whose sum is σ = 1311503424000. Its totient is φ = 126672159744.

The previous prime is 424999782763. The next prime is 424999782827. The reversal of 424999782792 is 297287999424.

424999782792 is a `hidden beast` number, since 42 + 499 + 9 + 7 + 8 + 2 + 7 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 424999782792.

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 63 ways as a sum of consecutive naturals, for example, 23783253 + ... + 23801115.

It is an arithmetic number, because the mean of its divisors is an integer number (5123060250).

Almost surely, 2^424999782792 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 424999782792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (655751712000).

424999782792 is an abundant number, since it is smaller than the sum of its proper divisors (886503641208).

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

424999782792 is a wasteful number, since it uses less digits than its factorization.

424999782792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18157 (or 18147 counting only the distinct ones).

The product of its digits is 329204736, while the sum is 72.

The spelling of 424999782792 in words is "four hundred twenty-four billion, nine hundred ninety-nine million, seven hundred eighty-two thousand, seven hundred ninety-two".