28396244547216 has 300 divisors, whose sum is σ = 101708986285632. Its totient is φ = 7489119036672.

The previous prime is 28396244547161. The next prime is 28396244547221. The reversal of 28396244547216 is 61274544269382.

28396244547216 is a `hidden beast` number, since 2 + 8 + 3 + 9 + 62 + 4 + 4 + 547 + 21 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 7727476 + ... + 10793811.

Almost surely, 2^{28396244547216} is an apocalyptic number.

28396244547216 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

28396244547216 is an abundant number, since it is smaller than the sum of its proper divisors (73312741738416).

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

28396244547216 is a wasteful number, since it uses less digits than its factorization.

28396244547216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18521340 (or 18521312 counting only the distinct ones).

The product of its digits is 139345920, while the sum is 63.

The spelling of 28396244547216 in words is "twenty-eight trillion, three hundred ninety-six billion, two hundred forty-four million, five hundred forty-seven thousand, two hundred sixteen".