28751160040 has 32 divisors (see below), whose sum is σ = 64716180480. Its totient is φ = 11495829312.

The previous prime is 28751160037. The next prime is 28751160041. The reversal of 28751160040 is 4006115782.

It is a junction number, because it is equal to n+sod(n) for n = 28751159978 and 28751160005.

It is not an unprimeable number, because it can be changed into a prime (28751160041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43464 + ... + 243703.

It is an arithmetic number, because the mean of its divisors is an integer number (2022380640).

Almost surely, 2^28751160040 is an apocalyptic number.

28751160040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28751160040 is an abundant number, since it is smaller than the sum of its proper divisors (35965020440).

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

28751160040 is a wasteful number, since it uses less digits than its factorization.

28751160040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289681 (or 289677 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The spelling of 28751160040 in words is "twenty-eight billion, seven hundred fifty-one million, one hundred sixty thousand, forty".