8120449248 has 24 divisors (see below), whose sum is σ = 21316179528. Its totient is φ = 2706816384.

The previous prime is 8120449201. The next prime is 8120449277. The reversal of 8120449248 is 8429440218.

It is a tau number, because it is divible by the number of its divisors (24).

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

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, 42293911 + ... + 42294102.

It is an arithmetic number, because the mean of its divisors is an integer number (888174147).

Almost surely, 2^8120449248 is an apocalyptic number.

It is an amenable number.

8120449248 is an abundant number, since it is smaller than the sum of its proper divisors (13195730280).

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

8120449248 is a wasteful number, since it uses less digits than its factorization.

8120449248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84588026 (or 84588018 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 8120449248 is about 90113.5353207275. The cubic root of 8120449248 is about 2009.9874794398.

The spelling of 8120449248 in words is "eight billion, one hundred twenty million, four hundred forty-nine thousand, two hundred forty-eight".