13440550534 has 16 divisors (see below), whose sum is σ = 20571111936. Its totient is φ = 6584371200.

The previous prime is 13440550531. The next prime is 13440550547. The reversal of 13440550534 is 43505504431.

It is a self number, because there is not a number n which added to its sum of digits gives 13440550534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13440550531) 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, 182982 + ... + 245689.

It is an arithmetic number, because the mean of its divisors is an integer number (1285694496).

Almost surely, 2^13440550534 is an apocalyptic number.

13440550534 is a deficient number, since it is larger than the sum of its proper divisors (7130561402).

13440550534 is a wasteful number, since it uses less digits than its factorization.

13440550534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428991.

The product of its (nonzero) digits is 72000, while the sum is 34.

The spelling of 13440550534 in words is "thirteen billion, four hundred forty million, five hundred fifty thousand, five hundred thirty-four".