13055555340400 has 120 divisors (see below), whose sum is σ = 33719298612480. Its totient is φ = 4842105050880.

The previous prime is 13055555340391. The next prime is 13055555340403. The reversal of 13055555340400 is 404355555031.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13055555340403) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17917654 + ... + 18632053.

It is an arithmetic number, because the mean of its divisors is an integer number (280994155104).

Almost surely, 2^{13055555340400} is an apocalyptic number.

13055555340400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13055555340400 is an abundant number, since it is smaller than the sum of its proper divisors (20663743272080).

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

13055555340400 is a wasteful number, since it uses less digits than its factorization.

13055555340400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36549791 (or 36549780 counting only the distinct ones).

The product of its (nonzero) digits is 450000, while the sum is 40.

The spelling of 13055555340400 in words is "thirteen trillion, fifty-five billion, five hundred fifty-five million, three hundred forty thousand, four hundred".