8044686740 has 12 divisors (see below), whose sum is σ = 16893842196. Its totient is φ = 3217874688.

The previous prime is 8044686733. The next prime is 8044686743. The reversal of 8044686740 is 476864408.

It can be written as a sum of positive squares in 2 ways, for example, as 4883773456 + 3160913284 = 69884^2 + 56222^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8044686743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201117149 + ... + 201117188.

It is an arithmetic number, because the mean of its divisors is an integer number (1407820183).

Almost surely, 2^8044686740 is an apocalyptic number.

It is an amenable number.

8044686740 is an abundant number, since it is smaller than the sum of its proper divisors (8849155456).

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

8044686740 is a wasteful number, since it uses less digits than its factorization.

8044686740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402234346 (or 402234344 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 8044686740 is about 89692.1776968315. The cubic root of 8044686740 is about 2003.7169827402.

The spelling of 8044686740 in words is "eight billion, forty-four million, six hundred eighty-six thousand, seven hundred forty".