28831450448 has 40 divisors (see below), whose sum is σ = 57058717056. Its totient is φ = 14109638400.

The previous prime is 28831450433. The next prime is 28831450471. The reversal of 28831450448 is 84405413882.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 58793 + ... + 247223.

Almost surely, 2^28831450448 is an apocalyptic number.

It is an amenable number.

28831450448 is a deficient number, since it is larger than the sum of its proper divisors (28227266608).

28831450448 is a wasteful number, since it uses less digits than its factorization.

28831450448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188643 (or 188637 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 47.

The spelling of 28831450448 in words is "twenty-eight billion, eight hundred thirty-one million, four hundred fifty thousand, four hundred forty-eight".