28350140488 has 64 divisors (see below), whose sum is σ = 54375235200. Its totient is φ = 13854827520.

The previous prime is 28350140459. The next prime is 28350140503. The reversal of 28350140488 is 88404105382.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29017056 + ... + 29018032.

It is an arithmetic number, because the mean of its divisors is an integer number (849613050).

Almost surely, 2^28350140488 is an apocalyptic number.

It is an amenable number.

28350140488 is a deficient number, since it is larger than the sum of its proper divisors (26025094712).

28350140488 is a wasteful number, since it uses less digits than its factorization.

28350140488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1510 (or 1506 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 43.

The spelling of 28350140488 in words is "twenty-eight billion, three hundred fifty million, one hundred forty thousand, four hundred eighty-eight".