28545461518 has 8 divisors (see below), whose sum is σ = 48935076912. Its totient is φ = 12233769216.

The previous prime is 28545461513. The next prime is 28545461519. The reversal of 28545461518 is 81516454582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545461513) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1019480755 + ... + 1019480782.

It is an arithmetic number, because the mean of its divisors is an integer number (6116884614).

Almost surely, 2^28545461518 is an apocalyptic number.

28545461518 is a deficient number, since it is larger than the sum of its proper divisors (20389615394).

28545461518 is a wasteful number, since it uses less digits than its factorization.

28545461518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2038961546.

The product of its digits is 1536000, while the sum is 49.

The spelling of 28545461518 in words is "twenty-eight billion, five hundred forty-five million, four hundred sixty-one thousand, five hundred eighteen".