13040534532 has 12 divisors (see below), whose sum is σ = 30427913936. Its totient is φ = 4346844840.

The previous prime is 13040534527. The next prime is 13040534543. The reversal of 13040534532 is 23543504031.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 13040534532.

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 3 ways as a sum of consecutive naturals, for example, 543355594 + ... + 543355617.

Almost surely, 2^13040534532 is an apocalyptic number.

13040534532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13040534532 is an abundant number, since it is smaller than the sum of its proper divisors (17387379404).

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

13040534532 is a wasteful number, since it uses less digits than its factorization.

13040534532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086711218 (or 1086711216 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The spelling of 13040534532 in words is "thirteen billion, forty million, five hundred thirty-four thousand, five hundred thirty-two".