13328529288040 has 32 divisors (see below), whose sum is σ = 30555024693480. Its totient is φ = 5230819040512.

The previous prime is 13328529287939. The next prime is 13328529288043. The reversal of 13328529288040 is 4088292582331.

It can be written as a sum of positive squares in 4 ways, for example, as 8699585644036 + 4628943644004 = 2949506^2 + 2151498^2 .

It is not an unprimeable number, because it can be changed into a prime (13328529288043) 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, 3143518939 + ... + 3143523178.

Almost surely, 2^{13328529288040} is an apocalyptic number.

13328529288040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13328529288040 is an abundant number, since it is smaller than the sum of its proper divisors (17226495405440).

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

13328529288040 is a wasteful number, since it uses less digits than its factorization.

13328529288040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6287042181 (or 6287042177 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 55.

The spelling of 13328529288040 in words is "thirteen trillion, three hundred twenty-eight billion, five hundred twenty-nine million, two hundred eighty-eight thousand, forty".