28533455274 has 32 divisors (see below), whose sum is σ = 58048151040. Its totient is φ = 9347689712.

The previous prime is 28533455273. The next prime is 28533455297. The reversal of 28533455274 is 47255433582.

It is not an unprimeable number, because it can be changed into a prime (28533455273) 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, 2112667 + ... + 2126129.

It is an arithmetic number, because the mean of its divisors is an integer number (1814004720).

Almost surely, 2^28533455274 is an apocalyptic number.

28533455274 is an abundant number, since it is smaller than the sum of its proper divisors (29514695766).

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

28533455274 is a wasteful number, since it uses less digits than its factorization.

28533455274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514.

The product of its digits is 4032000, while the sum is 48.

The spelling of 28533455274 in words is "twenty-eight billion, five hundred thirty-three million, four hundred fifty-five thousand, two hundred seventy-four".