8025702444 has 72 divisors (see below), whose sum is σ = 20695605840. Its totient is φ = 2621503872.

The previous prime is 8025702439. The next prime is 8025702457. The reversal of 8025702444 is 4442075208.

8025702444 is a `hidden beast` number, since 80 + 2 + 570 + 2 + 4 + 4 + 4 = 666.

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 = 8025702399 and 8025702408.

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, 1900167 + ... + 1904385.

It is an arithmetic number, because the mean of its divisors is an integer number (287438970).

Almost surely, 2^8025702444 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 8025702444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10347802920).

8025702444 is an abundant number, since it is smaller than the sum of its proper divisors (12669903396).

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

8025702444 is a wasteful number, since it uses less digits than its factorization.

8025702444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279 (or 5274 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 36.

The square root of 8025702444 is about 89586.2849101357. The cubic root of 8025702444 is about 2002.1395806145.

The spelling of 8025702444 in words is "eight billion, twenty-five million, seven hundred two thousand, four hundred forty-four".