28367008320 has 112 divisors (see below), whose sum is σ = 102931740288. Its totient is φ = 6483886080.

The previous prime is 28367008297. The next prime is 28367008321. The reversal of 28367008320 is 2380076382.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×28367008320² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (28367008321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103921 + ... + 2117360.

Almost surely, 2^28367008320 is an apocalyptic number.

28367008320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28367008320 is an abundant number, since it is smaller than the sum of its proper divisors (74564731968).

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

28367008320 is a wasteful number, since it uses less digits than its factorization.

28367008320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4221308 (or 4221298 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The spelling of 28367008320 in words is "twenty-eight billion, three hundred sixty-seven million, eight thousand, three hundred twenty".