28284554856048 has 40 divisors (see below), whose sum is σ = 73226933290896. Its totient is φ = 9407733350400.

The previous prime is 28284554856031. The next prime is 28284554856097. The reversal of 28284554856048 is 84065845548282.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639090193 + ... + 639134448.

Almost surely, 2^{28284554856048} is an apocalyptic number.

It is an amenable number.

28284554856048 is an abundant number, since it is smaller than the sum of its proper divisors (44942378434848).

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

28284554856048 is a wasteful number, since it uses less digits than its factorization.

28284554856048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1278225113 (or 1278225107 counting only the distinct ones).

The product of its (nonzero) digits is 786432000, while the sum is 69.

The spelling of 28284554856048 in words is "twenty-eight trillion, two hundred eighty-four billion, five hundred fifty-four million, eight hundred fifty-six thousand, forty-eight".