28518041300 has 72 divisors (see below), whose sum is σ = 71693702976. Its totient is φ = 9643656960.

The previous prime is 28518041281. The next prime is 28518041323. The reversal of 28518041300 is 314081582.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 227942 + ... + 330141.

Almost surely, 2^28518041300 is an apocalyptic number.

28518041300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28518041300 is an abundant number, since it is smaller than the sum of its proper divisors (43175661676).

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

28518041300 is a wasteful number, since it uses less digits than its factorization.

28518041300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558177 (or 558170 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 32.

The spelling of 28518041300 in words is "twenty-eight billion, five hundred eighteen million, forty-one thousand, three hundred".