28207215360 has 288 divisors, whose sum is σ = 101100000960. Its totient is φ = 7446528000.

The previous prime is 28207215359. The next prime is 28207215367. The reversal of 28207215360 is 6351270282.

28207215360 is a `hidden beast` number, since 2 + 82 + 0 + 7 + 215 + 360 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is not an unprimeable number, because it can be changed into a prime (28207215367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3486520 + ... + 3494600.

It is an arithmetic number, because the mean of its divisors is an integer number (351041670).

Almost surely, 2^28207215360 is an apocalyptic number.

28207215360 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 28207215360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50550000480).

28207215360 is an abundant number, since it is smaller than the sum of its proper divisors (72892785600).

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

28207215360 is a wasteful number, since it uses less digits than its factorization.

28207215360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8212 (or 8192 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The spelling of 28207215360 in words is "twenty-eight billion, two hundred seven million, two hundred fifteen thousand, three hundred sixty".