28144364358 has 32 divisors (see below), whose sum is σ = 62270767872. Its totient is φ = 8408472800.

The previous prime is 28144364329. The next prime is 28144364377. The reversal of 28144364358 is 85346344182.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 2998341 + ... + 3007712.

It is an arithmetic number, because the mean of its divisors is an integer number (1945961496).

Almost surely, 2^28144364358 is an apocalyptic number.

28144364358 is an abundant number, since it is smaller than the sum of its proper divisors (34126403514).

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

28144364358 is a wasteful number, since it uses less digits than its factorization.

28144364358 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6006140.

The product of its digits is 2211840, while the sum is 48.

The spelling of 28144364358 in words is "twenty-eight billion, one hundred forty-four million, three hundred sixty-four thousand, three hundred fifty-eight".