28268148142 has 32 divisors (see below), whose sum is σ = 46747008000. Its totient is φ = 12737662560.

The previous prime is 28268148127. The next prime is 28268148163. The reversal of 28268148142 is 24184186282.

It is a junction number, because it is equal to n+sod(n) for n = 28268148092 and 28268148101.

It is a congruent number.

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, 3348667 + ... + 3357097.

It is an arithmetic number, because the mean of its divisors is an integer number (1460844000).

Almost surely, 2^28268148142 is an apocalyptic number.

28268148142 is a deficient number, since it is larger than the sum of its proper divisors (18478859858).

28268148142 is a wasteful number, since it uses less digits than its factorization.

28268148142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11488.

The product of its digits is 393216, while the sum is 46.

The spelling of 28268148142 in words is "twenty-eight billion, two hundred sixty-eight million, one hundred forty-eight thousand, one hundred forty-two".