28850184720 has 720 divisors, whose sum is σ = 120775269888. Its totient is φ = 6375075840.

The previous prime is 28850184707. The next prime is 28850184733. The reversal of 28850184720 is 2748105882.

It is a happy number.

28850184720 is a `hidden beast` number, since 2 + 88 + 501 + 8 + 47 + 20 = 666.

It is an interprime number because it is at equal distance from previous prime (28850184707) and next prime (28850184733).

It is a tau number, because it is divible by the number of its divisors (720).

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

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 143 ways as a sum of consecutive naturals, for example, 29528872 + ... + 29529848.

Almost surely, 2^28850184720 is an apocalyptic number.

28850184720 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 28850184720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60387634944).

28850184720 is an abundant number, since it is smaller than the sum of its proper divisors (91925085168).

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

28850184720 is a wasteful number, since it uses less digits than its factorization.

28850184720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1050 (or 1025 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 45.

The spelling of 28850184720 in words is "twenty-eight billion, eight hundred fifty million, one hundred eighty-four thousand, seven hundred twenty".