27424729052880 has 80 divisors (see below), whose sum is σ = 85018083506304. Its totient is φ = 7313138634240.

The previous prime is 27424729052879. The next prime is 27424729052971. The reversal of 27424729052880 is 8825092742472.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 13886325 + ... + 15737835.

Almost surely, 2^{27424729052880} is an apocalyptic number.

27424729052880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

27424729052880 is an abundant number, since it is smaller than the sum of its proper divisors (57593354453424).

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

27424729052880 is a wasteful number, since it uses less digits than its factorization.

27424729052880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1913244 (or 1913238 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 27424729052880 in words is "twenty-seven trillion, four hundred twenty-four billion, seven hundred twenty-nine million, fifty-two thousand, eight hundred eighty".