27450370091808 has 72 divisors (see below), whose sum is σ = 78337827601488. Its totient is φ = 9117790745472.

The previous prime is 27450370091789. The next prime is 27450370091849. The reversal of 27450370091808 is 80819007305472.

It is a happy number.

27450370091808 is a `hidden beast` number, since 2 + 7 + 450 + 3 + 7 + 0 + 0 + 9 + 180 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 11 ways as a sum of consecutive naturals, for example, 168317410 + ... + 168480417.

It is an arithmetic number, because the mean of its divisors is an integer number (1088025383354).

Almost surely, 2^{27450370091808} is an apocalyptic number.

It is an amenable number.

27450370091808 is an abundant number, since it is smaller than the sum of its proper divisors (50887457509680).

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

27450370091808 is a wasteful number, since it uses less digits than its factorization.

27450370091808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336798126 (or 336798115 counting only the distinct ones).

The product of its (nonzero) digits is 3386880, while the sum is 54.

The spelling of 27450370091808 in words is "twenty-seven trillion, four hundred fifty billion, three hundred seventy million, ninety-one thousand, eight hundred eight".