28300073144 has 32 divisors (see below), whose sum is σ = 61243452000. Its totient is φ = 12008515200.

The previous prime is 28300073119. The next prime is 28300073201. The reversal of 28300073144 is 44137000382.

It is a self number, because there is not a number n which added to its sum of digits gives 28300073144.

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 7 ways as a sum of consecutive naturals, for example, 2496119 + ... + 2507430.

It is an arithmetic number, because the mean of its divisors is an integer number (1913857875).

Almost surely, 2^28300073144 is an apocalyptic number.

It is an amenable number.

28300073144 is an abundant number, since it is smaller than the sum of its proper divisors (32943378856).

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

28300073144 is a wasteful number, since it uses less digits than its factorization.

28300073144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003663 (or 5003659 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The spelling of 28300073144 in words is "twenty-eight billion, three hundred million, seventy-three thousand, one hundred forty-four".