28318183004 has 24 divisors (see below), whose sum is σ = 52811716608. Its totient is φ = 13255317680.

The previous prime is 28318182961. The next prime is 28318183009. The reversal of 28318183004 is 40038181382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28318183009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3270212 + ... + 3278859.

It is an arithmetic number, because the mean of its divisors is an integer number (2200488192).

Almost surely, 2^28318183004 is an apocalyptic number.

It is an amenable number.

28318183004 is a deficient number, since it is larger than the sum of its proper divisors (24493533604).

28318183004 is a wasteful number, since it uses less digits than its factorization.

28318183004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6549145 (or 6549143 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 38.

The spelling of 28318183004 in words is "twenty-eight billion, three hundred eighteen million, one hundred eighty-three thousand, four".