13344553524420 has 72 divisors (see below), whose sum is σ = 40712458766616. Its totient is φ = 3537977958912.

The previous prime is 13344553524409. The next prime is 13344553524443. The reversal of 13344553524420 is 2442535544331.

13344553524420 is a `hidden beast` number, since 1 + 3 + 3 + 4 + 4 + 553 + 52 + 4 + 42 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 606978111744 + 12737575412676 = 779088^2 + 3568974^2 .

It is a super-2 number, since 2×13344553524420² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 214235937 + ... + 214298216.

It is an arithmetic number, because the mean of its divisors is an integer number (565450816203).

Almost surely, 2^{13344553524420} is an apocalyptic number.

13344553524420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13344553524420 is an abundant number, since it is smaller than the sum of its proper divisors (27367905242196).

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

13344553524420 is a wasteful number, since it uses less digits than its factorization.

13344553524420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428534341 (or 428534336 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 45.

The spelling of 13344553524420 in words is "thirteen trillion, three hundred forty-four billion, five hundred fifty-three million, five hundred twenty-four thousand, four hundred twenty".