27922525449444 has 144 divisors (see below), whose sum is σ = 75515211757440. Its totient is φ = 8677848199680.

The previous prime is 27922525449443. The next prime is 27922525449461. The reversal of 27922525449444 is 44494452522972.

27922525449444 is a `hidden beast` number, since 2 + 7 + 9 + 2 + 2 + 52 + 54 + 494 + 44 = 666.

It is not an unprimeable number, because it can be changed into a prime (27922525449443) 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 47 ways as a sum of consecutive naturals, for example, 37277499 + ... + 38019165.

It is an arithmetic number, because the mean of its divisors is an integer number (524411192760).

Almost surely, 2^{27922525449444} 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 27922525449444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37757605878720).

27922525449444 is an abundant number, since it is smaller than the sum of its proper divisors (47592686307996).

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

27922525449444 is a wasteful number, since it uses less digits than its factorization.

27922525449444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742850 (or 742845 counting only the distinct ones).

The product of its digits is 232243200, while the sum is 63.

The spelling of 27922525449444 in words is "twenty-seven trillion, nine hundred twenty-two billion, five hundred twenty-five million, four hundred forty-nine thousand, four hundred forty-four".