28434252315148 has 12 divisors (see below), whose sum is σ = 49813504466040. Its totient is φ = 14201822467712.

The previous prime is 28434252315143. The next prime is 28434252315149. The reversal of 28434252315148 is 84151325243482.

It is a junction number, because it is equal to n+sod(n) for n = 28434252315095 and 28434252315104.

It is not an unprimeable number, because it can be changed into a prime (28434252315143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3825918286 + ... + 3825925717.

It is an arithmetic number, because the mean of its divisors is an integer number (4151125372170).

Almost surely, 2^{28434252315148} is an apocalyptic number.

It is an amenable number.

28434252315148 is a deficient number, since it is larger than the sum of its proper divisors (21379252150892).

28434252315148 is a wasteful number, since it uses less digits than its factorization.

28434252315148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651844936 (or 7651844934 counting only the distinct ones).

The product of its digits is 7372800, while the sum is 52.

The spelling of 28434252315148 in words is "twenty-eight trillion, four hundred thirty-four billion, two hundred fifty-two million, three hundred fifteen thousand, one hundred forty-eight".