3125636244 has 72 divisors (see below), whose sum is σ = 8343945792. Its totient is φ = 984551040.

The previous prime is 3125636209. The next prime is 3125636251. The reversal of 3125636244 is 4426365213.

3125636244 is a `hidden beast` number, since 3 + 1 + 25 + 6 + 3 + 624 + 4 = 666.

3125636244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 3125636199 and 3125636208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 45984 + ... + 91464.

It is an arithmetic number, because the mean of its divisors is an integer number (115888136).

Almost surely, 2^3125636244 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 3125636244, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4171972896).

3125636244 is an abundant number, since it is smaller than the sum of its proper divisors (5218309548).

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

3125636244 is a wasteful number, since it uses less digits than its factorization.

3125636244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45597 (or 45592 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

The square root of 3125636244 is about 55907.3898872054. The cubic root of 3125636244 is about 1462.1080831064.

The spelling of 3125636244 in words is "three billion, one hundred twenty-five million, six hundred thirty-six thousand, two hundred forty-four".