28485488274 has 64 divisors (see below), whose sum is σ = 58926528000. Its totient is φ = 9175971200.

The previous prime is 28485488231. The next prime is 28485488281. The reversal of 28485488274 is 47288458482.

It is a happy number.

It is a super-2 number, since 2×28485488274² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

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, 5637049 + ... + 5642099.

It is an arithmetic number, because the mean of its divisors is an integer number (920727000).

Almost surely, 2^28485488274 is an apocalyptic number.

28485488274 is an abundant number, since it is smaller than the sum of its proper divisors (30441039726).

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

28485488274 is a wasteful number, since it uses less digits than its factorization.

28485488274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5383.

The product of its digits is 36700160, while the sum is 60.

The spelling of 28485488274 in words is "twenty-eight billion, four hundred eighty-five million, four hundred eighty-eight thousand, two hundred seventy-four".