28149333336 has 48 divisors (see below), whose sum is σ = 76348242360. Its totient is φ = 9369515520.

The previous prime is 28149333313. The next prime is 28149333379. The reversal of 28149333336 is 63333394182.

28149333336 is a `hidden beast` number, since 281 + 4 + 9 + 3 + 33 + 336 = 666.

It is a super-2 number, since 2×28149333336² (a number of 22 digits) contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 28149333291 and 28149333300.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 233145 + ... + 332648.

Almost surely, 2^28149333336 is an apocalyptic number.

It is an amenable number.

28149333336 is an abundant number, since it is smaller than the sum of its proper divisors (48198909024).

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

28149333336 is a wasteful number, since it uses less digits than its factorization.

28149333336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566496 (or 566489 counting only the distinct ones).

The product of its digits is 839808, while the sum is 45.

The spelling of 28149333336 in words is "twenty-eight billion, one hundred forty-nine million, three hundred thirty-three thousand, three hundred thirty-six".