8449128926 has 32 divisors (see below), whose sum is σ = 14958397440. Its totient is φ = 3502620000.

The previous prime is 8449128901. The next prime is 8449128967. The reversal of 8449128926 is 6298219448.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1533176 + ... + 1538676.

It is an arithmetic number, because the mean of its divisors is an integer number (467449920).

Almost surely, 2^8449128926 is an apocalyptic number.

8449128926 is a deficient number, since it is larger than the sum of its proper divisors (6509268514).

8449128926 is a wasteful number, since it uses less digits than its factorization.

8449128926 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9080.

The product of its digits is 1990656, while the sum is 53.

The square root of 8449128926 is about 91919.1434141985. The cubic root of 8449128926 is about 2036.7480649181.

The spelling of 8449128926 in words is "eight billion, four hundred forty-nine million, one hundred twenty-eight thousand, nine hundred twenty-six".