28112342204 has 48 divisors (see below), whose sum is σ = 51582026496. Its totient is φ = 13380681600.

The previous prime is 28112342177. The next prime is 28112342231. The reversal of 28112342204 is 40224321182.

It is an interprime number because it is at equal distance from previous prime (28112342177) and next prime (28112342231).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24006539 + ... + 24007709.

It is an arithmetic number, because the mean of its divisors is an integer number (1074625552).

Almost surely, 2^28112342204 is an apocalyptic number.

It is an amenable number.

28112342204 is a deficient number, since it is larger than the sum of its proper divisors (23469684292).

28112342204 is a wasteful number, since it uses less digits than its factorization.

28112342204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2226 (or 2224 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

Adding to 28112342204 its reverse (40224321182), we get a palindrome (68336663386).

The spelling of 28112342204 in words is "twenty-eight billion, one hundred twelve million, three hundred forty-two thousand, two hundred four".