28028025414 has 24 divisors (see below), whose sum is σ = 60730473960. Its totient is φ = 9342200448.

The previous prime is 28028025401. The next prime is 28028025419. The reversal of 28028025414 is 41452082082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28028025419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 640854 + ... + 683190.

It is an arithmetic number, because the mean of its divisors is an integer number (2530436415).

Almost surely, 2^28028025414 is an apocalyptic number.

28028025414 is an abundant number, since it is smaller than the sum of its proper divisors (32702448546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28028025414 is a wasteful number, since it uses less digits than its factorization.

28028025414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79124 (or 79121 counting only the distinct ones).

The product of its (nonzero) digits is 40960, while the sum is 36.

The spelling of 28028025414 in words is "twenty-eight billion, twenty-eight million, twenty-five thousand, four hundred fourteen".