28402554339 has 20 divisors (see below), whose sum is σ = 44661588840. Its totient is φ = 17938454400.

The previous prime is 28402554329. The next prime is 28402554359. The reversal of 28402554339 is 93345520482.

28402554339 is a `hidden beast` number, since 2 + 84 + 0 + 25 + 543 + 3 + 9 = 666.

It is not a de Polignac number, because 28402554339 - 2⁹ = 28402553827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28402554294 and 28402554303.

It is not an unprimeable number, because it can be changed into a prime (28402554329) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9226062 + ... + 9229139.

It is an arithmetic number, because the mean of its divisors is an integer number (2233079442).

Almost surely, 2^28402554339 is an apocalyptic number.

28402554339 is a deficient number, since it is larger than the sum of its proper divisors (16259034501).

28402554339 is a wasteful number, since it uses less digits than its factorization.

28402554339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18455232 (or 18455223 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 28402554339 in words is "twenty-eight billion, four hundred two million, five hundred fifty-four thousand, three hundred thirty-nine".