13344667777780 has 48 divisors (see below), whose sum is σ = 29315886929280. Its totient is φ = 5092924940928.

The previous prime is 13344667777759. The next prime is 13344667777781. The reversal of 13344667777780 is 8777776644331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13344667777781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36354090 + ... + 36719329.

It is an arithmetic number, because the mean of its divisors is an integer number (610747644360).

Almost surely, 2^{13344667777780} is an apocalyptic number.

13344667777780 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344667777780 is an abundant number, since it is smaller than the sum of its proper divisors (15971219151500).

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

13344667777780 is a wasteful number, since it uses less digits than its factorization.

13344667777780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73073848 (or 73073846 counting only the distinct ones).

The product of its (nonzero) digits is 697019904, while the sum is 70.

The spelling of 13344667777780 in words is "thirteen trillion, three hundred forty-four billion, six hundred sixty-seven million, seven hundred seventy-seven thousand, seven hundred eighty".