8049131520 has 304 divisors, whose sum is σ = 27179038080. Its totient is φ = 2030043136.

The previous prime is 8049131501. The next prime is 8049131549. The reversal of 8049131520 is 251319408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90439636 + ... + 90439724.

Almost surely, 2^8049131520 is an apocalyptic number.

8049131520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8049131520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13589519040).

8049131520 is an abundant number, since it is smaller than the sum of its proper divisors (19129906560).

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

8049131520 is an frugal number, since it uses more digits than its factorization.

8049131520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 8049131520 is about 89716.9522442665. The cubic root of 8049131520 is about 2004.0859401952.

The spelling of 8049131520 in words is "eight billion, forty-nine million, one hundred thirty-one thousand, five hundred twenty".