18802827312 has 40 divisors (see below), whose sum is σ = 48845355840. Its totient is φ = 6232591680.

The previous prime is 18802827289. The next prime is 18802827317. The reversal of 18802827312 is 21372820881.

It is not an unprimeable number, because it can be changed into a prime (18802827317) 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, 1085614 + ... + 1102797.

It is an arithmetic number, because the mean of its divisors is an integer number (1221133896).

Almost surely, 2^18802827312 is an apocalyptic number.

18802827312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18802827312 is an abundant number, since it is smaller than the sum of its proper divisors (30042528528).

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

18802827312 is a wasteful number, since it uses less digits than its factorization.

18802827312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2188601 (or 2188595 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 42.

The spelling of 18802827312 in words is "eighteen billion, eight hundred two million, eight hundred twenty-seven thousand, three hundred twelve".