27091629421444 has 243 divisors, whose sum is σ = 58175508449079. Its totient is φ = 11006620843680.

The previous prime is 27091629421397. The next prime is 27091629421501. The reversal of 27091629421444 is 44412492619072.

The square root of 27091629421444 is 5204962.

It is a perfect power (a square), and thus also a powerful number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 151349884947 + ... + 151349885125.

Almost surely, 2^{27091629421444} is an apocalyptic number.

27091629421444 is the 5204962-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 27091629421444

27091629421444 is an abundant number, since it is smaller than the sum of its proper divisors (31083879027635).

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

27091629421444 is an equidigital number, since it uses as much as digits as its factorization.

27091629421444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 286 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 55.

The spelling of 27091629421444 in words is "twenty-seven trillion, ninety-one billion, six hundred twenty-nine million, four hundred twenty-one thousand, four hundred forty-four".