27996141335044 has 9 divisors (see below), whose sum is σ = 48993265855317. Its totient is φ = 13998065376384.

The previous prime is 27996141334949. The next prime is 27996141335047. The reversal of 27996141335044 is 44053314169972.

The square root of 27996141335044 is 5291138.

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

It can be written as a sum of positive squares in only one way, i.e., 2575184048644 + 25420957286400 = 1604738^2 + 5041920^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27996141335044.

It is not an unprimeable number, because it can be changed into a prime (27996141335047) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 9259492 + ... + 11905060.

Almost surely, 2^{27996141335044} is an apocalyptic number.

27996141335044 is the 5291138-th square number.

It is an amenable number.

27996141335044 is a deficient number, since it is larger than the sum of its proper divisors (20997124520273).

27996141335044 is an frugal number, since it uses more digits than its factorization.

27996141335044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5291142 (or 2645571 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 58.

The spelling of 27996141335044 in words is "twenty-seven trillion, nine hundred ninety-six billion, one hundred forty-one million, three hundred thirty-five thousand, forty-four".