28240634108344 has 16 divisors (see below), whose sum is σ = 60515644518000. Its totient is φ = 12103128903552.

The previous prime is 28240634108299. The next prime is 28240634108431. The reversal of 28240634108344 is 44380143604282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252148518769 + ... + 252148518880.

It is an arithmetic number, because the mean of its divisors is an integer number (3782227782375).

Almost surely, 2^{28240634108344} is an apocalyptic number.

It is an amenable number.

28240634108344 is an abundant number, since it is smaller than the sum of its proper divisors (32275010409656).

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

28240634108344 is a wasteful number, since it uses less digits than its factorization.

28240634108344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504297037662 (or 504297037658 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 49.

The spelling of 28240634108344 in words is "twenty-eight trillion, two hundred forty billion, six hundred thirty-four million, one hundred eight thousand, three hundred forty-four".