28418604700 has 72 divisors (see below), whose sum is σ = 63408066624. Its totient is φ = 11048832000.

The previous prime is 28418604679. The next prime is 28418604719. The reversal of 28418604700 is 740681482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1098312 + ... + 1123888.

It is an arithmetic number, because the mean of its divisors is an integer number (880667592).

Almost surely, 2^28418604700 is an apocalyptic number.

28418604700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28418604700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31704033312).

28418604700 is an abundant number, since it is smaller than the sum of its proper divisors (34989461924).

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

28418604700 is a wasteful number, since it uses less digits than its factorization.

28418604700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25903 (or 25896 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 40.

The spelling of 28418604700 in words is "twenty-eight billion, four hundred eighteen million, six hundred four thousand, seven hundred".