28244214394 has 16 divisors (see below), whose sum is σ = 46264198176. Its totient is φ = 12825392400.

The previous prime is 28244214389. The next prime is 28244214461. The reversal of 28244214394 is 49341244282.

It is a self number, because there is not a number n which added to its sum of digits gives 28244214394.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 621912 + ... + 665779.

It is an arithmetic number, because the mean of its divisors is an integer number (2891512386).

Almost surely, 2^28244214394 is an apocalyptic number.

28244214394 is a deficient number, since it is larger than the sum of its proper divisors (18019983782).

28244214394 is a wasteful number, since it uses less digits than its factorization.

28244214394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1288701.

The product of its digits is 442368, while the sum is 43.

The spelling of 28244214394 in words is "twenty-eight billion, two hundred forty-four million, two hundred fourteen thousand, three hundred ninety-four".