28418313156 has 12 divisors (see below), whose sum is σ = 66309397392. Its totient is φ = 9472771048.

The previous prime is 28418313103. The next prime is 28418313181. The reversal of 28418313156 is 65131381482.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1184096370 + ... + 1184096393.

It is an arithmetic number, because the mean of its divisors is an integer number (5525783116).

Almost surely, 2^28418313156 is an apocalyptic number.

It is an amenable number.

28418313156 is an abundant number, since it is smaller than the sum of its proper divisors (37891084236).

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

28418313156 is a wasteful number, since it uses less digits than its factorization.

28418313156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2368192770 (or 2368192768 counting only the distinct ones).

The product of its digits is 138240, while the sum is 42.

The spelling of 28418313156 in words is "twenty-eight billion, four hundred eighteen million, three hundred thirteen thousand, one hundred fifty-six".