8526149980 has 24 divisors (see below), whose sum is σ = 17916735312. Its totient is φ = 3408208512.

The previous prime is 8526149939. The next prime is 8526150013. The reversal of 8526149980 is 899416258.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109497 + ... + 170416.

It is an arithmetic number, because the mean of its divisors is an integer number (746530638).

Almost surely, 2^8526149980 is an apocalyptic number.

It is an amenable number.

8526149980 is an abundant number, since it is smaller than the sum of its proper divisors (9390585332).

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

8526149980 is a wasteful number, since it uses less digits than its factorization.

8526149980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281445 (or 281443 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 52.

The square root of 8526149980 is about 92337.1538439430. The cubic root of 8526149980 is about 2042.9182554716.

The spelling of 8526149980 in words is "eight billion, five hundred twenty-six million, one hundred forty-nine thousand, nine hundred eighty".