28444340315514 has 16 divisors (see below), whose sum is σ = 56898631492128. Its totient is φ = 9479788294992.

The previous prime is 28444340315491. The next prime is 28444340315519. The reversal of 28444340315514 is 41551304344482.

It is not an unprimeable number, because it can be changed into a prime (28444340315519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 414582052 + ... + 414650655.

It is an arithmetic number, because the mean of its divisors is an integer number (3556164468258).

Almost surely, 2^{28444340315514} is an apocalyptic number.

28444340315514 is an abundant number, since it is smaller than the sum of its proper divisors (28454291176614).

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

28444340315514 is a wasteful number, since it uses less digits than its factorization.

28444340315514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 829238429.

The product of its (nonzero) digits is 3686400, while the sum is 48.

Adding to 28444340315514 its reverse (41551304344482), we get a palindrome (69995644659996).

The spelling of 28444340315514 in words is "twenty-eight trillion, four hundred forty-four billion, three hundred forty million, three hundred fifteen thousand, five hundred fourteen".