13467531640 has 32 divisors (see below), whose sum is σ = 30335290560. Its totient is φ = 5381084800.

The previous prime is 13467531629. The next prime is 13467531641. The reversal of 13467531640 is 4613576431.

13467531640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13467531593 and 13467531602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13467531641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 148351 + ... + 221230.

It is an arithmetic number, because the mean of its divisors is an integer number (947977830).

Almost surely, 2^13467531640 is an apocalyptic number.

13467531640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13467531640 is an abundant number, since it is smaller than the sum of its proper divisors (16867758920).

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

13467531640 is a wasteful number, since it uses less digits than its factorization.

13467531640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370503 (or 370499 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 40.

The spelling of 13467531640 in words is "thirteen billion, four hundred sixty-seven million, five hundred thirty-one thousand, six hundred forty".