27445322472 has 32 divisors (see below), whose sum is σ = 68620826400. Its totient is φ = 9147438144.

The previous prime is 27445322453. The next prime is 27445322479. The reversal of 27445322472 is 27422354472.

It is not an unprimeable number, because it can be changed into a prime (27445322479) 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 7 ways as a sum of consecutive naturals, for example, 180054 + ... + 295482.

It is an arithmetic number, because the mean of its divisors is an integer number (2144400825).

Almost surely, 2^27445322472 is an apocalyptic number.

It is an amenable number.

27445322472 is an abundant number, since it is smaller than the sum of its proper divisors (41175503928).

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

27445322472 is a wasteful number, since it uses less digits than its factorization.

27445322472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125345 (or 125341 counting only the distinct ones).

The product of its digits is 752640, while the sum is 42.

It can be divided in two parts, 2744 and 5322472, that added together give a triangular number (5325216 = T₃₂₆₃).

The spelling of 27445322472 in words is "twenty-seven billion, four hundred forty-five million, three hundred twenty-two thousand, four hundred seventy-two".