27375265456 has 80 divisors (see below), whose sum is σ = 66339468288. Its totient is φ = 10631462400.

The previous prime is 27375265409. The next prime is 27375265457. The reversal of 27375265456 is 65456257372.

It is not an unprimeable number, because it can be changed into a prime (27375265457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350121 + ... + 421111.

Almost surely, 2^27375265456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27375265456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33169734144).

27375265456 is an abundant number, since it is smaller than the sum of its proper divisors (38964202832).

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

27375265456 is a wasteful number, since it uses less digits than its factorization.

27375265456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71330 (or 71324 counting only the distinct ones).

The product of its digits is 10584000, while the sum is 52.

The spelling of 27375265456 in words is "twenty-seven billion, three hundred seventy-five million, two hundred sixty-five thousand, four hundred fifty-six".