18268279848 has 96 divisors (see below), whose sum is σ = 60894288000. Its totient is φ = 4818006144.

The previous prime is 18268279829. The next prime is 18268279859. The reversal of 18268279848 is 84897286281.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

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, 1387548 + ... + 1400651.

It is an arithmetic number, because the mean of its divisors is an integer number (634315500).

Almost surely, 2^18268279848 is an apocalyptic number.

18268279848 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

18268279848 is an abundant number, since it is smaller than the sum of its proper divisors (42626008152).

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

18268279848 is a wasteful number, since it uses less digits than its factorization.

18268279848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2788231 (or 2788224 counting only the distinct ones).

The product of its digits is 24772608, while the sum is 63.

It can be divided in two parts, 18268 and 279848, that added together give a square (298116 = 546²).

The spelling of 18268279848 in words is "eighteen billion, two hundred sixty-eight million, two hundred seventy-nine thousand, eight hundred forty-eight".