13266144062040 has 32 divisors (see below), whose sum is σ = 39798432186480. Its totient is φ = 3537638416512.

The previous prime is 13266144062027. The next prime is 13266144062047. The reversal of 13266144062040 is 4026044166231.

It is a self number, because there is not a number n which added to its sum of digits gives 13266144062040.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13266144062047) 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, 55275600139 + ... + 55275600378.

Almost surely, 2^{13266144062040} is an apocalyptic number.

13266144062040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13266144062040 is an abundant number, since it is smaller than the sum of its proper divisors (26532288124440).

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

13266144062040 is a wasteful number, since it uses less digits than its factorization.

13266144062040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110551200531 (or 110551200527 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 39.

The spelling of 13266144062040 in words is "thirteen trillion, two hundred sixty-six billion, one hundred forty-four million, sixty-two thousand, forty".