28055834418 has 8 divisors (see below), whose sum is σ = 56111668848. Its totient is φ = 9351944804.

The previous prime is 28055834407. The next prime is 28055834419. The reversal of 28055834418 is 81443855082.

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

28055834418 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (28055834419) by changing a digit.

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, 2337986196 + ... + 2337986207.

It is an arithmetic number, because the mean of its divisors is an integer number (7013958606).

Almost surely, 2^28055834418 is an apocalyptic number.

28055834418 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28055834418 is a wasteful number, since it uses less digits than its factorization.

28055834418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675972408.

The product of its (nonzero) digits is 1228800, while the sum is 48.

The spelling of 28055834418 in words is "twenty-eight billion, fifty-five million, eight hundred thirty-four thousand, four hundred eighteen".