28600109770140 has 288 divisors, whose sum is σ = 90341872508160. Its totient is φ = 7594954523136.

The previous prime is 28600109770093. The next prime is 28600109770153. The reversal of 28600109770140 is 4107790100682.

It is a happy number.

28600109770140 is a `hidden beast` number, since 28 + 600 + 1 + 0 + 9 + 7 + 7 + 0 + 14 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1364303299 + ... + 1364324261.

It is an arithmetic number, because the mean of its divisors is an integer number (313687057320).

Almost surely, 2^{28600109770140} is an apocalyptic number.

28600109770140 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 28600109770140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45170936254080).

28600109770140 is an abundant number, since it is smaller than the sum of its proper divisors (61741762738020).

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

28600109770140 is a wasteful number, since it uses less digits than its factorization.

28600109770140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22143 (or 22129 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The spelling of 28600109770140 in words is "twenty-eight trillion, six hundred billion, one hundred nine million, seven hundred seventy thousand, one hundred forty".