28440336881710 has 16 divisors (see below), whose sum is σ = 55130499186336. Its totient is φ = 10501047463968.

The previous prime is 28440336881689. The next prime is 28440336881713. The reversal of 28440336881710 is 1718863304482.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28440336881713) 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 7 ways as a sum of consecutive naturals, for example, 109385910954 + ... + 109385911213.

It is an arithmetic number, because the mean of its divisors is an integer number (3445656199146).

Almost surely, 2^{28440336881710} is an apocalyptic number.

28440336881710 is a deficient number, since it is larger than the sum of its proper divisors (26690162304626).

28440336881710 is a wasteful number, since it uses less digits than its factorization.

28440336881710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 218771822187.

The product of its (nonzero) digits is 6193152, while the sum is 55.

The spelling of 28440336881710 in words is "twenty-eight trillion, four hundred forty billion, three hundred thirty-six million, eight hundred eighty-one thousand, seven hundred ten".