28343900160 has 384 divisors, whose sum is σ = 104035276800. Its totient is φ = 7312343040.

The previous prime is 28343900119. The next prime is 28343900177. The reversal of 28343900160 is 6100934382.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8569227 + ... + 8572533.

It is an arithmetic number, because the mean of its divisors is an integer number (270925200).

Almost surely, 2^28343900160 is an apocalyptic number.

28343900160 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28343900160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52017638400).

28343900160 is an abundant number, since it is smaller than the sum of its proper divisors (75691376640).

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

28343900160 is a wasteful number, since it uses less digits than its factorization.

28343900160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374 (or 3348 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 28343900160 in words is "twenty-eight billion, three hundred forty-three million, nine hundred thousand, one hundred sixty".