28342020104 has 16 divisors (see below), whose sum is σ = 53156399100. Its totient is φ = 14166980352.

The previous prime is 28342020079. The next prime is 28342020127. The reversal of 28342020104 is 40102024382.

It can be written as a sum of positive squares in 2 ways, for example, as 28281148900 + 60871204 = 168170^2 + 7802^2 .

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 3 ways as a sum of consecutive naturals, for example, 473717 + ... + 530180.

Almost surely, 2^28342020104 is an apocalyptic number.

It is an amenable number.

28342020104 is a deficient number, since it is larger than the sum of its proper divisors (24814378996).

28342020104 is a wasteful number, since it uses less digits than its factorization.

28342020104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007432 (or 1007428 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 26.

Adding to 28342020104 its reverse (40102024382), we get a palindrome (68444044486).

The spelling of 28342020104 in words is "twenty-eight billion, three hundred forty-two million, twenty thousand, one hundred four".