28154000043 has 12 divisors (see below), whose sum is σ = 43795111360. Its totient is φ = 17325538416.

The previous prime is 28154000027. The next prime is 28154000047. The reversal of 28154000043 is 34000045182.

28154000043 is a `hidden beast` number, since 2 + 81 + 540 + 0 + 0 + 0 + 43 = 666.

It is not a de Polignac number, because 28154000043 - 2⁴ = 28154000027 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28153999980 and 28154000016.

It is not an unprimeable number, because it can be changed into a prime (28154000047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120316123 + ... + 120316356.

Almost surely, 2^28154000043 is an apocalyptic number.

28154000043 is a deficient number, since it is larger than the sum of its proper divisors (15641111317).

28154000043 is a wasteful number, since it uses less digits than its factorization.

28154000043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240632498 (or 240632495 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 28154000043 in words is "twenty-eight billion, one hundred fifty-four million, forty-three", and thus it is an aban number.