28650189360 has 160 divisors (see below), whose sum is σ = 96723184320. Its totient is φ = 6973046784.

The previous prime is 28650189329. The next prime is 28650189397. The reversal of 28650189360 is 6398105682.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 226092 + ... + 329268.

It is an arithmetic number, because the mean of its divisors is an integer number (604519902).

Almost surely, 2^28650189360 is an apocalyptic number.

28650189360 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 28650189360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48361592160).

28650189360 is an abundant number, since it is smaller than the sum of its proper divisors (68072994960).

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

28650189360 is a wasteful number, since it uses less digits than its factorization.

28650189360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103295 (or 103289 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

It can be divided in two parts, 286501893 and 60, that added together give a triangular number (286501953 = T₂₃₉₃₇).

The spelling of 28650189360 in words is "twenty-eight billion, six hundred fifty million, one hundred eighty-nine thousand, three hundred sixty".