27430781414400 has 3960 divisors, whose sum is σ = 134064908411280. Its totient is φ = 5477966807040.

The previous prime is 27430781414279. The next prime is 27430781414401. The reversal of 27430781414400 is 441418703472.

27430781414400 is a `hidden beast` number, since 2 + 7 + 4 + 30 + 78 + 141 + 4 + 400 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (27430781414401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 359 ways as a sum of consecutive naturals, for example, 25096780254 + ... + 25096781346.

Almost surely, 2^{27430781414400} is an apocalyptic number.

27430781414400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27430781414400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67032454205640).

27430781414400 is an abundant number, since it is smaller than the sum of its proper divisors (106634126996880).

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

27430781414400 is a wasteful number, since it uses less digits than its factorization.

27430781414400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1181 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 602112, while the sum is 45.

The spelling of 27430781414400 in words is "twenty-seven trillion, four hundred thirty billion, seven hundred eighty-one million, four hundred fourteen thousand, four hundred".