8025688444 has 12 divisors (see below), whose sum is σ = 14068097344. Its totient is φ = 4006232064.

The previous prime is 8025688417. The next prime is 8025688501. The reversal of 8025688444 is 4448865208.

It is a super-2 number, since 2×8025688444² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1650309 + ... + 1655164.

Almost surely, 2^8025688444 is an apocalyptic number.

It is an amenable number.

8025688444 is a deficient number, since it is larger than the sum of its proper divisors (6042408900).

8025688444 is a wasteful number, since it uses less digits than its factorization.

8025688444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3306084 (or 3306082 counting only the distinct ones).

The product of its (nonzero) digits is 1966080, while the sum is 49.

The square root of 8025688444 is about 89586.2067731411. The cubic root of 8025688444 is about 2002.1384164393.

The spelling of 8025688444 in words is "eight billion, twenty-five million, six hundred eighty-eight thousand, four hundred forty-four".