28218452802 has 8 divisors (see below), whose sum is σ = 56436905616. Its totient is φ = 9406150932.

The previous prime is 28218452791. The next prime is 28218452831. The reversal of 28218452802 is 20825481282.

It is a sphenic number, since it is the product of 3 distinct primes.

28218452802 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351537728 + ... + 2351537739.

It is an arithmetic number, because the mean of its divisors is an integer number (7054613202).

Almost surely, 2^28218452802 is an apocalyptic number.

28218452802 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28218452802 is a wasteful number, since it uses less digits than its factorization.

28218452802 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4703075472.

The product of its (nonzero) digits is 163840, while the sum is 42.

The spelling of 28218452802 in words is "twenty-eight billion, two hundred eighteen million, four hundred fifty-two thousand, eight hundred two".