28334139800 has 48 divisors (see below), whose sum is σ = 66459909240. Its totient is φ = 11233349120.

The previous prime is 28334139797. The next prime is 28334139809. The reversal of 28334139800 is 893143382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28334139809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 604262 + ... + 649461.

Almost surely, 2^28334139800 is an apocalyptic number.

28334139800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28334139800 is an abundant number, since it is smaller than the sum of its proper divisors (38125769440).

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

28334139800 is a wasteful number, since it uses less digits than its factorization.

28334139800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253852 (or 1253843 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The spelling of 28334139800 in words is "twenty-eight billion, three hundred thirty-four million, one hundred thirty-nine thousand, eight hundred".