425362808772 has 144 divisors (see below), whose sum is σ = 1234803443328. Its totient is φ = 122202178560.

The previous prime is 425362808723. The next prime is 425362808779. The reversal of 425362808772 is 277808263524.

425362808772 is a `hidden beast` number, since 4 + 2 + 5 + 3 + 628 + 0 + 8 + 7 + 7 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (425362808779) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 822558 + ... + 1235850.

It is an arithmetic number, because the mean of its divisors is an integer number (8575023912).

Almost surely, 2^425362808772 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 425362808772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (617401721664).

425362808772 is an abundant number, since it is smaller than the sum of its proper divisors (809440634556).

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

425362808772 is a wasteful number, since it uses less digits than its factorization.

425362808772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413450 (or 413445 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 425362808772 in words is "four hundred twenty-five billion, three hundred sixty-two million, eight hundred eight thousand, seven hundred seventy-two".