28438528514 has 16 divisors (see below), whose sum is σ = 46565228160. Its totient is φ = 12918422160.

The previous prime is 28438528493. The next prime is 28438528543. The reversal of 28438528514 is 41582583482.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 373469 + ... + 443120.

It is an arithmetic number, because the mean of its divisors is an integer number (2910326760).

Almost surely, 2^28438528514 is an apocalyptic number.

28438528514 is a deficient number, since it is larger than the sum of its proper divisors (18126699646).

28438528514 is a wasteful number, since it uses less digits than its factorization.

28438528514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 818185.

The product of its digits is 2457600, while the sum is 50.

The spelling of 28438528514 in words is "twenty-eight billion, four hundred thirty-eight million, five hundred twenty-eight thousand, five hundred fourteen".