28480301109 has 32 divisors (see below), whose sum is σ = 45667104000. Its totient is φ = 17438224320.

The previous prime is 28480301089. The next prime is 28480301117. The reversal of 28480301109 is 90110308482.

It is not a de Polignac number, because 28480301109 - 2¹¹ = 28480299061 is a prime.

It is a super-2 number, since 2×28480301109² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480301159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 134022 + ... + 273719.

It is an arithmetic number, because the mean of its divisors is an integer number (1427097000).

Almost surely, 2^28480301109 is an apocalyptic number.

It is an amenable number.

28480301109 is a deficient number, since it is larger than the sum of its proper divisors (17186802891).

28480301109 is a wasteful number, since it uses less digits than its factorization.

28480301109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407962 (or 407956 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The spelling of 28480301109 in words is "twenty-eight billion, four hundred eighty million, three hundred one thousand, one hundred nine".