4125772650 has 96 divisors (see below), whose sum is σ = 10445760000. Its totient is φ = 1077361600.

The previous prime is 4125772649. The next prime is 4125772657. The reversal of 4125772650 is 562775214.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4125772599 and 4125772608.

It is not an unprimeable number, because it can be changed into a prime (4125772657) 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, 2751601 + ... + 2753099.

It is an arithmetic number, because the mean of its divisors is an integer number (108810000).

Almost surely, 2^4125772650 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4125772650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5222880000).

4125772650 is an abundant number, since it is smaller than the sum of its proper divisors (6319987350).

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

4125772650 is a wasteful number, since it uses less digits than its factorization.

4125772650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1884 (or 1879 counting only the distinct ones).

The product of its (nonzero) digits is 117600, while the sum is 39.

The square root of 4125772650 is about 64232.1776837747. The cubic root of 4125772650 is about 1603.8672921365.

The spelling of 4125772650 in words is "four billion, one hundred twenty-five million, seven hundred seventy-two thousand, six hundred fifty".