28005505414 has 8 divisors (see below), whose sum is σ = 42026458320. Its totient is φ = 13996685976.

The previous prime is 28005505351. The next prime is 28005505427. The reversal of 28005505414 is 41450550082.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×28005505414² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28005505414.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 3027594 + ... + 3036829.

It is an arithmetic number, because the mean of its divisors is an integer number (5253307290).

Almost surely, 2^28005505414 is an apocalyptic number.

28005505414 is a deficient number, since it is larger than the sum of its proper divisors (14020952906).

28005505414 is a wasteful number, since it uses less digits than its factorization.

28005505414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6066734.

The product of its (nonzero) digits is 32000, while the sum is 34.

The spelling of 28005505414 in words is "twenty-eight billion, five million, five hundred five thousand, four hundred fourteen".