28322874242 has 32 divisors (see below), whose sum is σ = 49570278912. Its totient is φ = 12017021184.

The previous prime is 28322874137. The next prime is 28322874253. The reversal of 28322874242 is 24247822382.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 28322874193 and 28322874202.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 726098 + ... + 764109.

It is an arithmetic number, because the mean of its divisors is an integer number (1549071216).

Almost surely, 2^28322874242 is an apocalyptic number.

28322874242 is a deficient number, since it is larger than the sum of its proper divisors (21247404670).

28322874242 is a wasteful number, since it uses less digits than its factorization.

28322874242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490282.

The product of its digits is 688128, while the sum is 44.

The spelling of 28322874242 in words is "twenty-eight billion, three hundred twenty-two million, eight hundred seventy-four thousand, two hundred forty-two".