28832000949520 has 40 divisors (see below), whose sum is σ = 67233317410584. Its totient is φ = 11498578409472.

The previous prime is 28832000949517. The next prime is 28832000949523. The reversal of 28832000949520 is 2594900023882.

It is an interprime number because it is at equal distance from previous prime (28832000949517) and next prime (28832000949523).

It can be written as a sum of positive squares in 4 ways, for example, as 7868496247056 + 20963504702464 = 2805084^2 + 4578592^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (28832000949523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 534691159 + ... + 534745078.

Almost surely, 2^{28832000949520} is an apocalyptic number.

28832000949520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28832000949520 is an abundant number, since it is smaller than the sum of its proper divisors (38401316461064).

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

28832000949520 is a wasteful number, since it uses less digits than its factorization.

28832000949520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069436587 (or 1069436581 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 52.

The spelling of 28832000949520 in words is "twenty-eight trillion, eight hundred thirty-two billion, nine hundred forty-nine thousand, five hundred twenty".