28545414448 has 40 divisors (see below), whose sum is σ = 58406761728. Its totient is φ = 13487656512.

The previous prime is 28545414439. The next prime is 28545414449. The reversal of 28545414448 is 84441454582.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (28545414449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 436740 + ... + 497827.

Almost surely, 2^28545414448 is an apocalyptic number.

It is an amenable number.

28545414448 is an abundant number, since it is smaller than the sum of its proper divisors (29861347280).

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

28545414448 is a wasteful number, since it uses less digits than its factorization.

28545414448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 934681 (or 934675 counting only the distinct ones).

The product of its digits is 3276800, while the sum is 49.

The spelling of 28545414448 in words is "twenty-eight billion, five hundred forty-five million, four hundred fourteen thousand, four hundred forty-eight".