13544545240 has 32 divisors (see below), whose sum is σ = 30481278480. Its totient is φ = 5416742272.

The previous prime is 13544545163. The next prime is 13544545249. The reversal of 13544545240 is 4254544531.

It is a self number, because there is not a number n which added to its sum of digits gives 13544545240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13544545249) 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, 188442 + ... + 250198.

Almost surely, 2^13544545240 is an apocalyptic number.

13544545240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13544545240 is an abundant number, since it is smaller than the sum of its proper divisors (16936733240).

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

13544545240 is a wasteful number, since it uses less digits than its factorization.

13544545240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67251 (or 67247 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 37.

The spelling of 13544545240 in words is "thirteen billion, five hundred forty-four million, five hundred forty-five thousand, two hundred forty".