28550434454 has 16 divisors (see below), whose sum is σ = 43478427888. Its totient is φ = 14058711072.

The previous prime is 28550434447. The next prime is 28550434477. The reversal of 28550434454 is 45443405582.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 218657 + ... + 323900.

It is an arithmetic number, because the mean of its divisors is an integer number (2717401743).

Almost surely, 2^28550434454 is an apocalyptic number.

28550434454 is a deficient number, since it is larger than the sum of its proper divisors (14927993434).

28550434454 is a wasteful number, since it uses less digits than its factorization.

28550434454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542959.

The product of its (nonzero) digits is 1536000, while the sum is 44.

The spelling of 28550434454 in words is "twenty-eight billion, five hundred fifty million, four hundred thirty-four thousand, four hundred fifty-four".