28322310344 has 8 divisors (see below), whose sum is σ = 53104331910. Its totient is φ = 14161155168.

The previous prime is 28322310343. The next prime is 28322310463. The reversal of 28322310344 is 44301322382.

It can be written as a sum of positive squares in only one way, i.e., 23811576100 + 4510734244 = 154310^2 + 67162^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 28322310344.

It is not an unprimeable number, because it can be changed into a prime (28322310343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1770144389 + ... + 1770144404.

Almost surely, 2^28322310344 is an apocalyptic number.

It is an amenable number.

28322310344 is a deficient number, since it is larger than the sum of its proper divisors (24782021566).

28322310344 is a wasteful number, since it uses less digits than its factorization.

28322310344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540288799 (or 3540288795 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

The spelling of 28322310344 in words is "twenty-eight billion, three hundred twenty-two million, three hundred ten thousand, three hundred forty-four".