8109049536 has 448 divisors, whose sum is σ = 28388828160. Its totient is φ = 2221793280.

The previous prime is 8109049493. The next prime is 8109049547. The reversal of 8109049536 is 6359409018.

It is a happy number.

8109049536 is a `hidden beast` number, since 8 + 109 + 0 + 4 + 9 + 536 = 666.

It is a tau number, because it is divible by the number of its divisors (448).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 8109049491 and 8109049500.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41162590 + ... + 41162786.

It is an arithmetic number, because the mean of its divisors is an integer number (63367920).

Almost surely, 2^8109049536 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 8109049536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14194414080).

8109049536 is an abundant number, since it is smaller than the sum of its proper divisors (20279778624).

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

8109049536 is a wasteful number, since it uses less digits than its factorization.

8109049536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 349 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 8109049536 is about 90050.2611656402. The cubic root of 8109049536 is about 2009.0464802349.

The spelling of 8109049536 in words is "eight billion, one hundred nine million, forty-nine thousand, five hundred thirty-six".