28244614656 has 160 divisors (see below), whose sum is σ = 77215057920. Its totient is φ = 9170395136.

The previous prime is 28244614613. The next prime is 28244614667. The reversal of 28244614656 is 65641644282.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17253070 + ... + 17254706.

It is an arithmetic number, because the mean of its divisors is an integer number (482594112).

Almost surely, 2^28244614656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28244614656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38607528960).

28244614656 is an abundant number, since it is smaller than the sum of its proper divisors (48970443264).

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

28244614656 is a wasteful number, since it uses less digits than its factorization.

28244614656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1944 (or 1928 counting only the distinct ones).

The product of its digits is 2211840, while the sum is 48.

The spelling of 28244614656 in words is "twenty-eight billion, two hundred forty-four million, six hundred fourteen thousand, six hundred fifty-six".